Rui Demon Slayer - Tumblr Posts
Demon slayer Rui (platonic) x big sis reader. And can it be hurt/comfort is possible? Thanks!! Sorry if you need a more specific scenario (^-^)/
I’ll see what I can do!
Big Sister
Rui x sister!reader
In which Rui gets mad at your for spending time with “mother” instead of him.
Hurt, angst, comfort, little brother/big sister relationship (platonic). Rui might be a lil out of character.
Rui Pov
Where in the hell is Y/n? She's been missing all night and she won't come no matter how much I call out for her. I feel like I've been walking for hours. I sighed looking around once more and after a few minutes I found her. She was cuddles up with mother and they were laughing and giggling while I was suffering. How could she do this to me? After all that I've done for her. A big sister is suppose to love and protect her younger brother and yet here she is spending time with mother. How selfish could she be do abandon me like this? She always said that I was her favorite and that she would spend time with me tonight. Maybe I should let father deal with mother while I deal with big sister. How annoying, I hate when they don't listen to me. God I felt so frustrated right now. I decided that the only thing to do was confront my big sister and make her explain why she would betray me.
I quickly appreared to them and the nerve of those two to seem surpiried that I would interrupt them. How dare they be surprised! I was about to speak when my big sister interrupted me.
"Aww Rui how wonderful of you to join us. Funny enough I was just about to come and get you." She spoke excitedly which confused the hell out of me.
"I don't believe you." I snapped moving closer to her as to intimidate her.
"Oh, I'm sorry Rui but I promise I'm not lying." Y/n pleated but I really didn't care anoymore.
"Then why are you here when you're suppose to be with me." I argued trying to get her to tell the truth.
"Oh my sweet Rui, I really was hoping I could show you later as-" She began to speak but I had heard enough. I slashed her face making her beautiful pale skin stained with blood. I was expecting her to cry or to beg for mercy, but instead she just sat there as calmly with a sweet smile on her face. This made me uneasy and the realization that I just hit her sunk in as I had never had any reason to do this to her before.
"Why did you make me do that!" I screamed at her mad that I hurt her. I was about to run away to try and get some space when I felt her embrace me. She held me so tightly and I couldn't help but feel so comforted by her embrace. "Is this what it's like to have a big sister?" I thought to myself.
"Rui, my sweet little brother, I wanted to surprise you with a human that I found wandering the mountain tonight. This one was beautiful and I thought that you would want to have it. I should have just told you and I'm so sorry." She admitted and a strange sensation bubled up in my belly. One that I didn't like nor did I wish to welcome. I then decided to forgive my big sister and take her gift as an apology.
"You're forgiven big sister, just never hide anything from me again." I told her pulling myself from her embrace.
"Thank you Rui, I promise I won't." She promised me and for some reason I believed her.
"Why were you with mother?" I questioned her as she smiled at my question.
"Oh, I was hoping that she would wrap the human for you. Mother's web is very beautiful." She told me and I believed her
"Good, now lets go see that human that you got for me." I told her but just as I was walking away she hugged me once again.
"I'm so sorry for hurting you Rui, just know that I love you and you're the best little brother I could have ever asked for." Y/n spoke. I suddenly felt tears on my head and I looked up to see her crying. I grimiced at this as I really hated when she cried because I knew she was hurt.
"I already forgave you, but thank you for apologizing again. I'm sorry for hurting your face." I admitted in a soft whisper hoping that she wouldn't hear me.
"Don't worry about that, we demons heal rather quickly and I have already forgotten about it." She proclaimed and softly stroked my hair.
"Now, lets go." she said as she grabbed my hand walking in the direction of the human that my big sister was kind enough to gift to me.
Thank you so much for reading!💜 Thank you to whoever requested this! I apologize if this fic wasn't exactly what you wanted I tried my very best.
Please feel free to like, comment, request, and reblog
Click here to see what I’ll write for
•I do NOT own any characters except y/n and any original characters•
L.W.L
More information on my Half-Demon! Tanjiro AU!
I really want to elaborate more on my AU, specifically about the demons and how they are dealing with the changes. So, here are some headcanons about them!
Here is the original Mastpost!
Rui
When it came to converting into a half demon, he was rather cautious about the idea, mostly because he didn’t want to lose his “family” and strength
Nezuko managed to convince him by promising to stick by his side while he works out the changes
They spent a lot of time together, which brought them closer and formed a genuine bond
This drove Inosuke insane though
Tanjiro was pretty weary about their relationship, but he eventually grew fond of the little guy
It took quite a while for Rui to truly come out of his shell
But when he did, everyone realized just how touch starved the poor baby is
He melts when given any form of physical affection and he is quite clingy
I headcanon that Rui has OCD, mostly because he likes everything in their proper roles, so I think he would make sure everything is clean and orderly
He tends to get flustered when he is dealing with large messes, so either Nezuko or Tanjiro has to calm him down
Despite the Kamado siblings’ affection and stability, Rui still feels like he’s missing something in his life
That is, until Tanjiro introduces him to Akaza (Tanjiro decided to introduce all the demons to each other)
Akaza and Rui immediately get along and become friends
Eventually, Akaza introduces Rui to the other upper moons (plus Enmu since he’s usually around Douma)
Akaza was rather nervous about introducing Rui due to the moon’s chaotic nature and Rui’s OCD
However, Rui sees that they have a deep connection despite the chaos and decides to stick around
Akaza: Sorry if they’re a bit chaotic kid, bu-
Rui: They’re perfect
Akaza: Huh?!
With time, Rui learns more about the upper moons and they grow on him
Akaza and Kokushibo are Rui’s father figures
Daki and Gyutaro are very close to Rui and they often hang out with the Kamado siblings
Finally Douma and Enmu sometimes drag Rui in one of their pranks or adventures
The Kamado siblings notice that Rui is less tense, more open minded and is a lot happier
Half demons mature and grow, so Rui and Daki do mature and actually get older as time passes
Although he still goes to the Kamadoi’s for comfort, he truly feels like he has a family with the upper moons
Akaza
I feel like he would be more open to becoming a half demon (I mean it’s better than dying, right?) so he takes up on Tanjiro’s offer
Akaza regularly has to pull Douma out of trouble, either it be pranks that have gone too far or making him act like a gentleman
Whenever anyone is sick, you can expect Akaza to come over and try to take care of them
He did NOT like Zenitsu when they officially met, but they became mutual once he learned that Zenitsu wasn’t that big of a pervert (mostly because he’s dating Tanjiro)
Akaza deeply respects Tanjiro and they tend to work together on projects involving the demons
Akaza wanted to repair his relationship with Rengoku (which yes, Tanjiro was able to bring him back) and Rengoku has rather nervous to do so
They became great friends, but Giyuu (who Rengoku is dating) doesn’t really trust Akaza
Let’s just say it took a LONG time before Giyuu trusted him
Akaza gives advice to the women (both demons and humans) on how to defend themselves from perverts
Akaza is typically with Rui and Kokushibo, probably doing some father - son activities
Akaza actually gets with Kokushibo after realizing that Koku could be soft
Akaza is a tsundere, hands down.
He’ll never admit that he likes being the little spoon or that he loves sitting in Koku’s lap.
He also finds Koku’s final form hot. (He doesn’t have a monster kink though)
Akaza: is there a Mrs, Kokushibo?
Douma: Are you fucking flirting with Kokushibo’s final form?
Akaza: He’s fucking HAWT!
During his free time, Akaza usually like to either read or take long walks,
Rui is usually by his side on said long walks
Enmu
As you can probably expect, Enmu did not want to become a half demon
But after a long battle with Tanjiro, he eventually gave in
This is mostly due to his bitterness towards Tanjiro after he killed Muzan
Tanjiro quickly learns about his relationship with Muzan and instantly knows that it was a toxic relationship and Enmu doesn’t see that
Everyone tries to tell him that their relationship was toxic, but Enmu just gets pissed off
Tanjiro notices a strange smell that Enmu has and decides to look into it
He found out that Enmu couldn’t differentiate dreams and reality as a human and that he didn’t feel most pain, which made Tanjiro even more curious
It wasn’t until Enmu pointed out a suspicious flower that Muzan used to make him eat did Tanjiro finally realize what was going on
Turns out, Enmu had been given drugs as a kid and Muzan had kept him on those drugs to stay numb
Tanjiro knew he had to convince Enmu that Muzan was making him take drugs
It took a while for Enmu to believe him, but when he did, Enmu fell into a deep depression
Tanjiro had tried many different ways to make feel better (having him take care of people, saying kind things to him, etc)
Eventually, Tanjiro had him meet the upper moors, which introduced him to Douma!
At first, Enmu was quite distant and confused why Douma would take interest in him, but spending time with Douma made him come out of his shell
Douma showered him with affection, which made Enmu feel special and wanted
They would go on a lot of adventures together and they would pull pranks on people
After a while of this, Enmu started feeling strange and he went to Tanjiro to know what that feeling was
Enmu: What the hell is this feeling?! It feels so strange!
Tanjiro: Awww, that’s love, Enmu!
Enmu: What the fuck is that?
Both Tanjiro and Zenitsu would help him with confessing to Douma
They ended up deciding to confess on Valentine’s Day (There’s simply nothing more romantic than that)
Turns out, Douma was also planning to confess, so they just ended up being a flustered mess while Tanjiro and Zenitsu were giggling in the distance
At first, Enmu didn’t understand how Douma could do something nice for him
He thought that he always would have to do something nice for Douma
So when Douma treats him, Enmu.exe stops working
They go on a LOT of dates (usually little adventures)
Douma
He also didn’t want to convert, so Akaza and Kokushibo had to hold him down and force him to take Tanjiro’s blood
Tanjiro had to keep an eye on him for a while to make sure he wasn’t going to eat anybody
Douma eventually gave up eating people and started pulling pranks instead
He’s the number one troublemaker in the upper moon and can make a normal situation into one of chaos and anarchy
When Tanjiro hosted the demon meet and greet, Douma’s attention immediately went to Enmu, mostly because he found Enmu quite fashionable
When Douma started falling in love with Enmu, he was also very confused
Douma: Whay the fuck am I feeling this way towards a man?!
Akaza: You might be bisexual dude
Douma: *confused screaming*
Douma loves it when Enmu lulls him to sleep with his powers
In turn, Douma takes care of Enmu and makes some fantastic meals
Douma will happily listen to Enmu when he’s either talking about the demon ranks and/or trains
However, Douma can be quite reckless on their adventures, which sometimes causes them to get hurt
One time, Enmu ended up getting severely injured because of Douma’s recklessness
Basically, they entered an area of the Humanoid island where dangerous monsters were found
They barely got away, but they were haunted by an evil being named Kingu Akuma
That was one of the few times Douma actually cried
Despite the heartache of this event, something awakened in Douma that would help him deal with a bigger problem later on
Kingu Akuma harassed them and made them paranoid
He also reminded them of their pasts over and over again
Unfortunately, this made Douma remember the traumatic event that made him lose his emotions
(I’m not going to say what that moment was here since I can explain it better when I write the chapters. Let’s just say it is based on an actual theory. People believed this might’ve happened to him because of how the cult dehumanized him)
However, he also felt a painful feeling that he couldn’t quite figure out
He didn’t realize what that awakened emotion was until he reunited with Inosuke
Although Inosuke didn’t remember what happened to his mother, Douma remembered it vividly
Douma couldn’t understand why he felt so horrible when he was around Inosuke until he confronted Tanjiro about it
Tanjiro was horrified by Douma’s confession, but was willing to help him due to Douma’s willingness to change
Douma then proceeded to tell Inosuke what he did and well Inosuke didn’t take it well (he tried to kill him)
Due his guilt, Douma tried to hang out with Inosuke, but Inosuke was having none of it
It stayed like this until Inosuke was forced to fight off against a rabid ram demon (I’ll elaborate on this fight in a different post)
Inosuke came very close to death, but Douma saved him from getting mauled by the demon
Together, they finished off the ram and came to a mutual understanding
Although Inosuke can’t forgive him for killing his mother, he can understand that Douma is trying to make things up and so tries to develop a deeper relationship with his stepfather
Due to the he harassment by Kingu, guilt, and retrieving his memoriess, Douma went insane and he tried to unalive himself
Akaza stopped him from going through with it and told him that the only way to get rid of Kingu is to face your past
That’s when Douma went to Shinobu for therapy
She saw his memories and was horrified
Shinobu had to rescue a child version of him (his humanity) from Kingu inside his mind
After some time, he gathered the courage to face Kingu and fight him
Douma couldn’t defeat him (since Kingu is the god of chaos and suffering)
However it did end with Kingu realizing that Douma has changed and he leaves Douma (kinda like how Death did to Puss)
Both Akaza and Kokushibo care for Douma, but they often get annoyed by him
Gyutaro hates him due to Douma pestering both him and Daki (They have a typical annoyed child and jerk father relationship)
Douma finds this hilarious and continues teasing them
Daki and Gyutaro
Daki was quite open to converting (mostly because she was convinced by Nezuko)
However Gyutaro had to be convinced by Daki in order to convert
Once they were converted, both Tanjiro and Nezuko wanted to shower them with affection (they felt that they deserved a better life than what they had)
At first they were very off putted by this, but they eventually warmed up
The Kamado siblings taught them more about their relationship and how to properly show love
Gyutaro: What the hell are you doing?
Tanjiro: Giving you something you never got, a hug.
Gyutaro: …
Gyutaro: *gross sobbing ensues*
Gyutaro constantly goes to Tanjiro for advice on how to be a better older brother
Gyutaro has also accidentally called Tanjiro “dad” a few times which sent Daki into hysterical laughter
Although Daki and Nezuko had to work out their relationship, they eventually became best friends
Nezuko would occasionally host a girl’s night out and Daki would be there right beside her
Both Daki and Gyutaro prefer to be around the Kamado siblings (mostly because they find comfort in them)
When they are around the other demons, they are usually dragged into their nutty shenanigans
Daki really loves being around Rui
She is like a mother to him and Daki smothers him in affection like Nezuko does
Gyutaro melts when he’s complimented (especially on his appearance)
Nezuko made Gyutaro a blanket with heating pads so Gyutaro doesn’t get cold and he loves it to death
They are very curious and love learning about the world
Lastly, they both just really love each other and they are learning to accept themselves
Hantengu Clones
I feel like Aizetsu would be the most willing to covert, but the others need some convincing
Sekido was definitely the hardest to convince, no doubt about it
Urogi and Karaku are best friends and they always cause chaos
Sometimes they’ll accompany Enmu and Douma on their adventures
Sekido usually has to pull them out of trouble
Urogi is definitely Aizetsu’s emotional support
Sometimes Urogi can go a bit overboard, but he tries his best to comfort Aizetsu
All the clones see themselves as brothers
Aizetsu and Genya do become friends, but it took quite some time for that to happen
They usually just have really interesting conversations. That’s how they usually hang out
Karaku, Nezuko, and Daki will always make sure that someone looks great for a date!
Sekido is the unofficial eldest brother, the other clones hate this
All the clones may tease Aizetsu, but if anyone else messes with him. They will have hell to pay
Aizetsu prefers to be around the Kamado siblings, they’re just so calming
He just gets overwhelmed easily, so he prefers to be in quiet places
Sekido hides his feelings and he’ll never admit to enjoying anything
Whenever Zohakuten needs to be formed, Urogi and Karaku usually try to have Aizetsu initiate it because he’s a lot more gentle than Sekido
Zohakuten is like a little angry gremlin
He will immediately attack anyone who calls him cute
Zohakuten: I’m not cute!
Zohakuten: I’m into hardcore death metal!
Zohakuten: I’ve got a scar!
Zohakuten: I branded myself with a hot iron once!
Zohakuten: I’m into Big Dumb Sweet Men!
Zohakuten: Don’t judge me, I’m not cute!
Despite Zohakuten’s efforts, Mitsuri still loves him
The wooden dragons are like little puppies that annoy Zohakuten
The only person that Zohakuten truly likes is Rui
You just can’t hate Rui
Hantengu actually prefers to be separated
He lives in constant fear so it’s nice to find happiness in the clones
Kokushibo
He was also willing to be converted (mostly because he’ll still be able to stay alive)
At first, Kokushibo would be incredibly jealous of Tanjiro
Because of this, Tanjiro decided to try to spend more time with him
Tanjiro found out about his brother and decided as a peace offering, he would help Kokushibo learn the various techniques of sun breathing
Although he doesn’t really learn it, they become close and they form a strong friendship
When He, Tanjiro, Douma, and Inosuke were fighting the jaguar demon, Tanjiro basically gave a speech about how no matter how powerful or weak the younger brother is, they will always look up to the older one
Kokushibo was deeply moved by this
Kokushibo deeply respects Tanjiro for defying his fate in a much more honest and honorable way than he did
He is Tanjiro’s right hand man and will always help him with plans
Kokushibo is pretty much the leader of the upper moons when Tanjiro isn’t around
He is like the stern father while Akaza is more of a relaxed father towards the moons
Kokushibo is also very peaceful and prefers to paint and draw alone
He gives great advice to the other demons on how to handle their changes
Kokushibo usually has to get the other demons out of trouble
He has a major sweet tooth, but the only ones who know this are Akaza and Mitsuri
Sometimes, he’ll eat some sweets with Mitsuri
Kokushibo: How the hell did you guys turn a picnic into a forest barbecue?!
Akaza: DON’T LOOK AT ME!!
Douma: *holding the match* I didn’t do it
He always helps Tanjiro convert other demons
(Okay time for some Kokuaka headcanons!)
Let’s be honest, Kokushibo would be dense af. He would have no clue that Akaza had feelings for him and Koku would have no idea that he loved Akaza back
He’d just think that he felt a strange feeling when he’s with Akaza
Kokushibo eventually figures it out after seeing Tanjiro’s and Zenitsu’s and Douma’s and Enmu’s relationships grow.
At the start of their relationship, Kokushibo was very closed. He acted very stoic, believing that this was they way to earn anyone’s affection
Eventually, Akaza softens him up. He makes Koku realize that it’s okay to show emotion
Kokushibo adores warmth (he’ll never admit it though). He loved to be close physically to his friends and always carries heating pads on him.
Kokushibo is actually really good with kids, surprisingly.
Poor babe gets a lot of headaches so he carries medication on him and he prefers to be awake at night
Although he has to put up with the craziness of the upper moons, he still loves them and will always help them
Tanjiro is incredibly proud of them and the progress that they have made
Tanjiro being a proud dad is so freaking cute
I love this AU and I’ve had a lot of fun with it! Speaking of fun, here are some incorrect quotes because why not?
Douma: *chugs mayo*
Enmu: Hmm that looks like our bedsheets
Akaza: *chokes on water*
Kokushibo: *gasps and covers Rui’s ears*
Tanjiro: I’m very uncomfortable with the energy we have created in this room
Rui: Every family has a gay cousin
Enmu: Bitch we don’t have a gay cousin
Enmu: Wait
Enmu: I am the gay cousin oH mY gOd
Tanjiro: Why were you calling me those awful things when we fought?
Gyutaro: Those were auful things?
Tanjiro: *starts tearing up out of guilt*
Gyutaro: WAIT, I’M SORRY!!
Half-Demon! Tanjiro AU
Chapter: Eight
The First Meeting
Warnings: None!
Word Count: 3570
The brilliant sun was beaming down on Kanao was she was making her way through the forest. A wicker basket, that was covered with a small sheet, swayed in her right hand. The basket itself was for Muichiro Tokito. Thus being the reason why Kanao was heading to the Mist Estate in the first place.
Shinobu had prepared the basket with various berries and ointments. Some of them being pain relief medicines while others were for various types of illnesses. Kanao had no idea why she was doing this since none of the slayers were going on any dangerous missions anymore and the half-demon transformation didn't seem to be painful.
What made this even stranger was that Shinobu had been refusing to speak for the last few days. She claimed that this was due to a sore throat. However, this seemed to go on longer than any normal sore throat. Plus, weren't demons not supposed to get sick? Kanao shook her head, reasoning that half-demons must have a slightly different biology.
She quickly reached the entrance of the Mist Estate. The large mansion reflected the calmness of the Must Hashira himself. The white window covers were a sharp contrast to the brown, wood walls. Yet, the white matched the upper level of the house. Kanao knocked on the door with her free hand.
"Tokito? Are you home?" Kanao said in a soft voice. She heard some rather heavy footsteps approaching the sliding door. The door slid open to reveal..Genya? What was he doing here? His black eyes gleamed as he looked down at her. "Oh, hey Kanao. How are you?" His voice was a lot friendlier than usual and his face was slightly red. It seemed like he was setting down since the battle.
"I'm fine." Kanao said warmly. "I'm just here to deliver this basket to Tokito." She held up the basket for him to take. Genya carefully took it, his face blushing even more. "Do you wanna come inside?" Genya asked, not wanting to be rude. "Sure. I have plenty of time." Kanao smiled as she walked inside with him.
The mansion was well lit by the sunlight and looked rather colorful. Although the walls and furniture were the traditional brown color, there were also many paper figurines of various colors. Kanao knew that Muichiro loved to make Origami figures, so she figured that he made them himself. Genya took a quick left and led her to the living room.
A low-lying table with two gray cushions sat in the middle of the room. The wall to the right had small shelves that were lined with Origami swans and cats. "He's rather talented." Kanao said in awe as she scanned the shelves. Genya put the basket down on the table and looked at the shelves as well. "Oh yeah. Tokito had been making these figures for years. They're quite impressive really."
Kanao then turned to face Genya. "By the way, why are you here? I don't mean to be rude. I'm just curious." Genya looked nervous, almost embarrassed to say it. "I've been helping Muichiro adapt." Kanao raised an eyebrow. "What do you mean? Is he losing control of himself?" Genya shook his head. "Not quite. We've just been learning what his Blood Demon Art is...and a few other things.."
Kanao's confusion was only made worse by the sound of distressed mewing. "Do you own a cat?" She asked curiously. Genya sighed and put a hand to his head. "No..here. Let me show you." Genya then walked out of the room with Kanao cautiously following behind him.
The further they went into the mansion, the louder the mewing got. Kanao could tell that this was a male creature by the sound of it. Genya led her to the right room at the end of the hallway. He put his hand up to tell her to stop. Kanao decided to peek into the room when Genya went inside. She gasped at the image she saw.
Muichiro was on his knees with a hand over his throat. He was trying to rub it, seemingly to soothe it. Genya knelt down beside him. "It's aching again?" Genya asked, voice filled with concern. Muichiro nodded and..mewed? He was the one who was making those noises! "Is he alright?" Kanao asked as she walked into the room. Muichiro looked up at her and immediately covered his mouth.
"Don't worry. His vocal cords are just changing." Genya said this as if this was completely normal. "How? I've ever heard any demons make those noises." Genya hugged Muichiro as he sighed. "Let me explain.."
"When I devoured a demon for the third time, I lost control of my vocal cords. I couldn't speak any human language and I could only make animal noises. No matter how much I tried to speak, I just couldn't. I was just as confused as you are. After all, demons don't talk like this. That was also the longest time that I was turned. It ended after a few days and by then my voice box adapted to make those noises and to speak. From what I'm guessing, that's just what demons go through when they're turned."
Kanao put a hand to her chin, thinking. "That's why Shinobu isn't speaking.." Genya nodded. "All of the fallen Hashira must be going through this. It'd just a natural process, so there's nothing to worry about." Kanao looked up at the two slayers. "So, did he call you over because he didn't know what was going on?" Both of the boys nodded.
"He sounded pretty terrified in his letter." Genya made a soft purring noise as he held Muichiro. Kanao smiled as she walked over to them. She crouched down and petted Muichiro's head. "Don't worry, Tokito. Everything will be alright." Muichiro smiled at her and mewed in response.
News of the truth of these strange noises spread across the corps. All of Hashira-and even Tanjiro himself-were dealing with these noises. They had a strange unique sound to each person as if they were associated with a specific animal. Some were obvious like Rengoku making gritty roars and chuffs like a tiger and Shinobu making soft trills and buzzes like a butterfly. However, some weren't exactly expected like Tanjiro making powerful huffs and growls like a bear and Muichiro making sweet kitten-like mews.
Regardless of all things, they eventually adapted within a few days. Although, Tanjiro did have some questions. "Do you think the Kizuki might know where these strange noises come from?" Tanjiro asked. He was sitting as a low desk with Nezuko on his right side and Zenitsu on his left. "I'd say that's gonna be your best bet." Nezuko said as she stroked Matsuemon-who was cawing happily.
"I don't trust them. I mean..what if they try to kill you?" Zenitsu almost sounded like he growled. "It's okay, Zen." Tanjiro hummed softly as he stroked the blonde's head. "I'll be fine. Besides, we already have some friends!" Zenitsu rolled his eyes. "You mean those siblings? They're cruel. Trust me..I've seen it myself."
Tanjiro rumbled disappointingly. "I know what they've done is unforgivable, but I really do believe that they can change." Zenitsu looked the other way. "I just don't want you to get hurt." Tanjiro could feel Zenitsu grabbing his arm with a tight grip. The Demon King placed his hand over Zenitsu's arm and smiled. "Don't worry. I know that everything will be okay."
Nezuko hummed softly. "It might be best to have a meeting with them. Not only to set some ground rules, but also to learn more about them." Tanjiro nodded. "That sounds great! Matsuemon, could you inform the demons? The meeting will start in an hour." The crow cawed. "I could! Good thing all the demons are in the castle!" The crow turned around, opened his wings, and took off.
The hour passed as quickly as sound. Tanjiro, Nezuko, and Zenitsu we're heading to the dreadful Infinity Castle. The Kamado siblings were very hesitant to bring Zenitsu along at first, but the blonde insisted. Saying that he just wanted to make sure Tanjiro was safe. With that, the siblings ended up caving.
The warm forest shimmered beautifully as the trio traversed through it. Nezuko was humming a soft tune as she skipped in front of the two boys. Tanjiro enjoyed watching her, but Zenitsu was only thinking. His mind was a deep ocean of doubt and concern. It was put through a storm when Tanjiro disappeared. Now, it seemed like an entirely new, lovely ecosystem. Zenitsu watched him carefully and they scaled the mountain.
The Infinity Castle soon came into view. It looked like a traditional, small house with brown walls and white windows. The trio walked up the steps and Tanjiro knocked on the sliding door. "Hmm?..Who's there?" A deep, intimidating voice said from behind it. This caused Zenitsu to yelp and hide behind Tanjiro. "It's me, Tanjiro Kamado." Tanjiro said. Some shuffling was heard behind the door.
Then, Kokushibo slid the door open. "Good morning..young king." His voice was cold and unreadable. "You must be here..to start the meeting." Kokushibo looked down at the other two with him. Squinting his middle pair when he laid his eyes on a cowering Zenitsu. Tanjiro nodded as he squeezed Zenitsu's hand gently. "Yes. That's exactly why we're here."
Kokushibo turned back to Tanjiro. "Follow me..." He turned around and walked off into the castle. The trio quickly followed him, shutting the door behind them. The world of the Infinity Castle was more like an infinite maze of hallways and rooms. It wasn't as confusing or disjointed as it was before, but it was still difficult to navigate. Rooms seemed to line the walls and various bridges and stairs connected them.
Kokushibo walked with some speed, which made the others have to jog in order to catch up with him. "I don't think he likes you." Zenitsu whispered to Tanjiro. "Be nice. He's probably just not used to a new king." Kokushibo grumbled softly to himself when he heard this. There was much more to this issue.
Within a few minutes, the grouped reached a rather strange room. Most of the base was a normal light tan floor, but a fourth of the room's floor was raised. "The biwa lady designed this..to be the meeting room." Kokushibo said as they walked inside. All of the reincarnated demons, both Lower and Upper moons, were there. Surprisingly, none of them were talking to each other.
Everything was quiet and still. Chills creeped up Tanjiro's spine. "Is this normal?" Tanjiro asked Kokushibo. "To an extent..yes." He replied. "We are normally quiet..Strangely though, Douma is talking..He's usually the one who causes a stir." Tanjiro looked around to see Douma. He was on his knees, swaying. "The floor..is yours." Kokushibo said with stillness.
Tanjiro smiled at him and nodded before walking up on the raised platform. Kokushibo looked at him for a few seconds, then walked away. His eyes scanned the room before spotting Akaza-who was sitting alone near the right side of the room. Kokushibo sighed as he made his decision. He walked over to Akaza and took a seat next to him. Akaza widened his eyes and tilted his head. He was about to ask him something when Tanjiro cleared his throat.
"Hello everyone!" Tanjiro hummed with excitement. All of the demons' attention was directed towards him. Zenitsu and Nezuko stood on each side of him. Zenitsu held his hand and trembled as he looked upon the sea of demons. Tanjiro squeezed his hand gently. "I know that this is a major change for all of us, but I hope that we can develop a great relationship together."
No one cheered. No one growled. No one even responded. Tanjiro could feel his heart sink a little, but he's not going to give up. "I thought that it would be best if I set some guidelines for us. We are an entirely new species after all."
"First off, no one will try to kill each other. If there are any fights, we can try to understand where the argument came from and how to stop it. Secondly, you are free to do as you please. There will be missions, but they will most be missions to refill supplies and to convert other demons. I want this to be a welcoming community, but it's important that you also take care of yourself. Find your hobbies! Have some fun! Practice whatever you like to practice! I'll also make sure that none of you ever go hungry or have horrible living conditions. You are people and deserve to be treated as such. Last thing, never ever eat any humans. You don't have to eat humans anymore, so no harm shall come to the innocent."
The demons murmured amongst themselves. They all expected that last rule, but the others were decently surprising. "Does anyone have any questions?" Tanjiro asked. Hantengu raised a trembling hand. "Will any of the slayers be after us?" Tanjiro shook his head. "Absolutely not. Master Kiriya informed them of the situation, so no harm will come to you. In fact, Miss Shinobu actually set up therapy sessions for everyone!"
Most of the demons weren't quite happy with this. Some of them sighed or even growled. "We also know that some of the Hashiras..won't be exactly friendly." Kokushibo huffed. They all nodded. "I can't lie to you. That is undoubtedly true, but don't worry. I'll make sure that no harm comes your way. They won't attack you unless you attack a human."
This seemed to clear some confusion as the murmurs died down. Akaza raised a hand. "What do you plan for us? What is your goal?" There wasn't a rude tone in his voice, more like a servant's. "I just want to see you live the lives you deserve. Many of you were treated unfairly in your lives and Muzan only used your pain against you. I will not punish you for making mistakes. We are human. We will make mistakes. All I ask from you is to understand yourselves and to move on from your pain."
They all tilted their heads. "You mean that there's no goal? Nothing you want us to hunt for?" Douma asked, resting his head in his hand. Tanjiro and Nezuko nodded. "Well, what do you know? Guess we got lucky then." Douma chuckled as he continued to sway.
"I do have a question for you though." Tanjiro said. "When we were adapting to our form, our voice boxes underwent some changes. We were able to make strange animals. Is that normal?" The demons murmured for a second before Gyutaro spoke up. "Every demon has gone through that. We are all able to make various animal noises."
"The reason why you haven't heard those noises before is because Muzan actually told us to mask them." Daki piped in. Tanjiro raised an eyebrow. "Mask them? Why? They seem harmless." Rui sighed. "We honestly have no idea why. He just seemed to hate the noises and everything else that came with them."
This only made the trio more confused. "What else did Muzan hate?" Nezuko asked. "Well..We do have a variety of other characteristics that we had to bury. Truth be told, our attributes are quite strange." Akaza huffed as he remembered Muzan. "They may be, but are they harmful?" Tanjiro asked, wanting more answers. The demons seemingly didn't know what to say. "Well he told us that they were harmful and idiotic." Gyutaro said with a growl. "But I've never found anything wrong with them."
Tanjiro felt a fire burning in his heart. Why would Muzan tell them to hide these instincts? What would he tell them to hide who they really are? This was infuriating! "Well, you don't have to hide them from me." Tanjiro smiled reassuringly. Despite this reassurance, the demons only gave him awkward silence. "I'm not sure..if they can come back.." Kokushibo said flatly. "It's been too long.."
"Maybe, but maybe not. We'll just have to see." Tanjiro smiled. "I just hope that you all can live a happy life. It'll be rough, but I have the utmost faith in you." All the demons bowed slightly signaling the end of the meeting. Tanjiro stepped down from the raised platform. "I do encourage you to talk to the others. You might find some great friends!"
The demons looked around at each other awkwardly. Douma looked around the room before someone caught his eye. A lonely Lower Moon by sitting by the door. He had heard of him before, as he was the strongest Lower Moon, but Douma had never seen him. Douma stood up, dusted himself off, and walked towards him.
Enmu looked up at the Upper Moon slovenly. "Hey there!" Douma chirped in a cheery tune. "What are you doing by yourself?" Enmu looked away. "You must be an Upper Rank demon. How did you manage to get so close to Muzan?" Douma couldn't help but laugh. "Oh don't be so kind! He didn't really like me, but he considered me useful!"
Enmu glared at him. "He had to like you for some reason." Douma only shook his head. "Not really. Just my power." Enmu raised an eyebrow. "Then, why are you not upset?" Douma shrugged. "That's just what everyone wanted from me. Why should I expect any different?"
Enmu was perplexed by this strange demon. Wouldn't he want for someone to care about him? Maybe he was just desensitized. Enmu sighed before staring off, right at Tanjiro-who was speaking to Gyutaro. Douma followed his stare.
"Ah~You must not like the new king. I think he's quite cute. Definitely naive, but it's nice to see someone who isn't mean for a change." Douma's gleeful tone was grading. "He doesn't deserve to be king." Enmu growled. Douma tilted his head. "Hm?"
"I mean he knows nothing about us! What gives him the right to disrupt our society.?" Enmu knew that this was the most aggressive he had ever been. "Well, we can't really control how he rules, but it doesn't seem to be that bad." Douma said, obliviously. "You don't understand." Enmu huffed in annoyance.
Douma put a hand to his chin, thinking. "I like you. How about we head to a nearby Udon stand? I've been dying to try some human food and it looks like you could use something to cheer you up." Enmu sighed, resting his arms on his knees. "I guess I could. I have nothing better to do." Douma clapped his hands together. "Great!"
While all this was happening, Akaza turned to Kokushibo. "Why did you decide to sit next to me?" His voice trembled with suspicion. All six of Kokushibo's eyes stared at him. "I mean no harm to you..Truth be told..I respect you the most..out of everyone here." Akaza raised an eyebrow. "Really? I thought you would rather stay away from us."
"You're not wrong..however it felt rather awkward..to stay away..Besides..I've noticed that you haven't..been acting like yourself." Akaza looked down at the floor. "Don't worry about it. It's nothing that you should concern yourself with." His voice didn't have a rude tone surprisingly. Akaza's voice was instead soft and miserable. Kokushibo knew something was wrong.
Kokushibo sighed as he stood up. "Would you like to spar sometime?..I know that's how you cool off.." Akaza hunched defensively. "Don't worry..there is no trick..and neither of us..will die.." Akaza sighed as he stood up. "Sure. It hasn't been a while, hasn't it?" He smiled at the six-eyed demon. "Indeed it has.."
Hantengu was being consumed by his own thoughts. The last few days have been unbearable for him. It was like how he was as a full fledged demon. He hated how much his fear ate at him. Hantengu looked around at the other demons conversing. He wished he could do the same, but he couldn't bring himself to.
His body trembled and his heart pounded. Hantengu knew that this wasn't normal and he hated it. It had led him to steal. It had led him to kill. Hantengu knew he had to change this, but how? Then, an idea popped in his head.
Hantengu stood up with shaky legs and walked over to Tanjiro. Zenitsu yelped when he laid eyes on the demon, thus alerting Tanjiro. "Oh, hello Hantengu." Tanjiro said as he turned around. "Hi, master. I..umm..wondered if you could do something for me." Hantengu shook nervously. "Of course! What is it?" Tanjiro smiled.
"Could you..summon my clones?" Hantengu asked. Tanjiro tilted his head, curiously. "Oh? How come?" Hantengu flinched, thinking that he was criticizing him. "Well, I hate how I'm constantly afraid. It makes my life miserable and it also makes me do terrible things. I know that my main four clones aren't like that. I..might be happy then."
Tanjiro nodded, understanding the thought. "Are you sure? You might lose yourself as you proceed through this." Hantengu put a hand to his jaws. "I'd be willing to take that risk. This is for the best." Tanjiro smiled with warmth. "Alright, Hantengu. If this is what it takes to make you happy, then I'll do it."
Author's Note: Hiya! Sorry if this chapter was rather boring. I used this to set up some mysteries and potential romances! I do hope you like it regardless!
Doubt people will see this but letss goo demon slayer theory time:
In demon slayer season 1 we see a lower moon demon called Rui who even though is 30 years old still has his 13 year old mentality which is highlighted through his ‘arc’. He strives for a perfect family as he had been abused by his human ones - even though he seems calm and well mannered it’s clear his mental health is still reflective of his human age (13).
This creates an idea that demons don’t age mentally once they turn as they are stuck with their human ‘personalities’ / ideologies. If you look at the upper moons…
((This will contain manga spoilers from now on))
If you look at the upper moons especially 2-3, Akaza and Douma, you don’t see much change - Douma is special and remembers his human life but still acts the exact same with ruling his cult whilst Alaza may not remember his past life but never attacks a woman which is similar to how he was whilst he was alive.
My theory essentially is that demons don’t age mentally because they are stuck with remnants of their previous mentality. This is why Rui acts like a child still , why Kaigaku still acts young ((He is terrified of anything more powerful than him to the point he does bad things to not get hurt which can be seen in younger children when they feel threatened by others.))
Though this may all be rubbish and not make proper sense - I tried my best to put out my thoughts and ideas so please be kind 🌙
