Senku X Reader - Tumblr Posts

Dr. Stone Headcanons

again

theme: valentines day

genre: fluff

Modern world

Included characters: -Senku Ishigami -Gen Asagiri -Tsukasa Shishio -Ryusui Nanami

_____________________ Senku Ishigami

"valentines day?" senku repeated. You nodded hecticly. "How stupid" He said. You gasped "Oh my! valentines day is a beautiful day for giving presents especially for teenagers who want to confess their love to their cush but then they see the popular person of the school confesses their love first. Thinking that their crush would accept the populars persons confession the teenager left putting thier present they made back in their bag. then it suddenly starts to rain but because they didn't expect rain for such a romantic day they didn't bring an umbrella. 'the day couldn't get any worse' they thought, ready to go through the rain. Then suddenly he heard someone screaming 'wait!!!' and-" "yea yea I get it. you've been watching too many romance animes" he interrupted you not looking at you and only caring for his science work. Now you were in a bad mood. You didn't wanted to distrub his work since he would get annoyed at you, so you just stared at he wall. 'Stupid Senku' you thought Senku gave you a worried look. He sighed. You snapped out of your thoughts as you saw Senku holding a bunch of chocolates and a stuffed toy in front of your face. "I asked Yuhuza and Gen what I should get you" you looked at him but he avoited eyecontact. You laughed as you saw his reddened cheeks. "Thank you" you said and jumped at him to give him a thigh hug. You both fell. Laying on the floor you still didn't let go of him. He just patted your head. "Lets go on a date!" you said and finally lifted your head. After senku agreed you bought hin to a cafee that just got new opened. "Oh yea didn't you say that valentine day is a day where you give others presents?" You flinched. Senku smiled dangerously. It was hard to avoid eyecontact since he sat in front of you. You still tried to look away and sipping your tea but you could feel his glaze. "So, what present did you get me?" he asked and smiled. "i... forgot... hehe" you nervously said while fidgeting with your fingers and the cup. Then a idea hit you. You stood up, making Senku wonder, you pulled his shirt and kissed him. Senku couldn't hide his surpised face. Just after you licked your lips he snapped back to reality. "next time I will get you a better present" you said and sat down. Senku sipped his caffee again "Thats enough for me" he said. "oh yea by the way I dont like coffee" you said. Senku just gave you a irratated look. you pointed at your lips. "Your caffee." Senku just laughed. "oh man your really stupid" "heyyy!! I'm not! i just wanted to let you know that" Senku couldn't stop laughing "yea sure netxt time I will eat cake before we kiss" your face turned a little red and you smiled at his response. 'You two are such a cute couple I envy you!' stood on the back of the receipt. You looked around and one of the waitresses smiled at you and giving you a thumbs up sign. You smile back.

____________ Gen Asagiri

You were waiting for Gen until someonewas covering your eyes. "guess who?" a feminine voice said. You were wondering who it may could be because you weren't familiar with that voice. Then you noticed the scent of flowers. "gen?" you asked. "who did you notice?" you asked and removed his hands. "you smell like flowers" you explaint. "flowers? right. I often work with flowers in my magic shows" he said. "oh right I have somethink for you." you said and pulled out smal bag of heartshaped cookie. you gave them Gen "here for you" He took a cookie and took a bite. "better than expected" he said. "huh? 'better than expected' what do you mean" you said a bit mad at him for not believing in your baking skills. He just put a cookie in your mouth so you couldn't talk. "salty..." you noticed. You sighed and then took the cookies back. "I'm gonna make new ones!" you said. Gen just smiled and took the cookies back again. "no no I'm gonna eat them all." You tried to get them back again but he dodged, while eating the cookies. "No stop!" after a while you were exhaused. Gen just silently eating. "I hate you..." you said out of breath. "love you too" you got annoyed. He noticed your bad mood and grabbed your hand. He dragged you somewhere "where are we going?" You asked. He just stayed quite. "and here we are. The new opend Cat-caffee!" You got all excited and your eyes where sparkling. All the cat where avoiding Gen. "naw that makes me sad..." he said. You just laughed. "It's probably because of your flower scent Cats dont like them." you said. After you two were chilling in that caffee you went to your house because Gen wanted to show you how to really bake. "ok lets check the ingredients" Gen said. And you nooded. "200g unsalted butter" he read from his paper "is here" "200g golden caster sugar" "umm ah yea is also here" " 1 large egg and half a tablespoon vanilla extract" "Jup!" "and 400g plain flour" "yea" "ok he have everything. 'Put the butter in a bowl and beat it with electric beaters until soft and creamy. Beat in the sugar, then the egg and vanilla, and finally the flour to make a dough. If the dough feels a bit sticky, add a little bit more flour and knead it in.'" You did it step by step like he said. while he was watching you. He wanted to help but since you said you're going to do it by yourself He just stared at you. "ok and next?" you asked and he snapped back to reality. "umm 'Heat the oven to 200C/180C fan/gas 6. Pull pieces off the dough and roll them out to about the thickness of two £1 coins on a floured surface. The easiest way to do this with small children is to roll the mixture out on a baking mat. Cut out shapes using a 9cm biscuit cutter, or a use the rim of a small glass and peel away the leftover dough around the edges. Press some clean toys gently into the biscuits, making sure you make enough of a mark without going all the way through. Re-roll off-cuts and repeat' " he read loud. "and now in the oven right?" "yea for 8-10 minutes" he said and you did as he said. after 9 minutes you took the biscuits out. You let then cool for 5 minutes. "they taste... good?" you said impressed by your self. "hey Gen try the-" you saw that he fell asleep on the couch. You smiled soft and went into your room to get a blanket. Then you took the plate of cookies and sat next to him.

_________________ Tsukasa Shishio

"Tsukasa!!!" you called his name and waved your hand. As soon as he saw you he came straight torwards you. "(name), what are you doing here?" he asked. You noticed that he was sweating and gave him a towel. "I came to see you. how long do you still have training?" You asked him. "ends in a hour" your look on your face turned sad. "but I can finish it now if you want me to" and back was your happyness. that was anwer enough. "ok I go and tell my choach. Oh yea I'll also go showering quickly. Wait outside here is it too stuffy I come in 10 min." "roger!" you said and went outside. After five minutes some weird dudes came. It was afternoon but they were already drunk. You gave then a disgusted look as they were approaching you. "hey girly. are you waiting for someone?" one asked. you ignored them. "maybe she need a better accompaniment" "yea how about we take her with us and have some fuuun" he got close to your face and the alcohol smell got stonger. These men annoyed you so damn much. You wanted to punch them and stab a knife inside their chest. But right now you were deffenseless. "Heyy you we're talking to you!!!" He took your wraist. you just sared at him. The more you saw them  more they disgusted you. "Girl why are giving us such a dirty look, hah?" "we should give her a lession" one laughed and wanted to punch you. You flinched and chlosed your eyes. "AHHHHH" a loud scream. I opends my eyes and saw Tsukasa who was gabbing that mens arm... brocken arm. with just a grip tsusaka really broke an adults arm. And it took him only a minute to completly destroy them. "come lets go" tsukasa said "yea right" you two were walking in arkward silence. "Tsukasa... are you mad?" you broke the silence first. "of couse I am they dared to touch something thats mine" You stopped walking and he hecticly turned around. "I'm sorry I didn't mean to-" he didn't continue. He just stared at you. You were holding your red face. Your eyes were sparkling. "I... I am so happy right now" you smiled brightly. "'happy'?" Tsukasa repeated your words confused. You grabbed his hand. "Come lets go! we have to be there before it starts." you said and dragged him. "You said you're happy" "I am" you said. "why?" you looked at him softly "because you said I am 'yours' that makes me really really happy" "but I said 'something'" he felt bad. "don't worry. I don't care about something like this. You didn't said it on purpose" He felt a bit better and smiled back at you. "also you're the only person I allow to call me an object" Tsukasa still felt bad about that but your smile was so warm that he forgot about these things. "Look we've arrived!" You pointet at the beautiful few. You two were on a hill with view on the harbor. Nobody else was there just you two. You packed out the picnic. "thats what you was carring all the time. I was already wondering" "yea I made strawberry Sandwich" you said proud. Tsukuna and you sat down and ate the Sandwichs. "there good how did you make these" that what you've waited for "first you need 1 tablespoon reduced-fat cream cheese, ¼ teaspoon honey, ⅛ teaspoon freshly grated orange zest, 2 slices very thin whole-wheat sandwich bread and 2 medium strawberries, sliced. then you just combine cream cheese, honey and orange zest. and put it one the bread with the strawberrys" you explaint and he wrote it down. "for your sister?" You asked. "yea she said she whated to learn how to cook" "i can teach her!" you said. "you will??" he looked excited. You knew how much his sister ment for him. You even saw how happy he was when she got healed by dr. Senku You too were happy for him and his sister. "sure it'll also give me an excuse to come by" you laughed. "what do you mean you can always come by just like today" he said. "no no" you said and and made a cross with your indexfingers."today is a special day!" Tsukasa just gave you a confused look. "Valentines day!" "oh its today..." you said. "aand I also don't like it to interrup your training. I did it today just because its a 'special' day" you explaint. "as long as I am with you everyday is a special day" Tsukasa just said and made you flushed. You couldn't response. Tsukasa just stared at you. or more at your lips. then he suddenly pulled you into a kiss. You layed on the ground and Tsukasa on top of you. he stared at you. it made you a bit nervous. "T-tsukasa? whats wrong?" you asked. "nothing its just... you're the most beautiful being" your cheeks turned red. you gasped as you saw behind him. "Tsukasa, Tukasa the sunset!!" Tsukasa also turned around to see it. The sky was dyed in beautiful colors. "yea whats with the sunset?" he asked half numb. "your reaction should be 'oh (name) you are so right the sunset is so beautiful. I'm so happy that you bought me here'!!!" you said. "like I said you are the most beautiful being on earth" he repeated and made you blush again. "But I am really happy to spent my time with you. so im am lucky that you bought me here" "hm? (name)?" Tsukasa whispered but you already fell asleep. He was watching you. Then he decided to pack the stuff back in the picnick basket, after he kissed you on your cheek and patted you. He forgot where you lived so he just bought you to his own home.

_________________ Ryusui Nanami

Ryusui texted you that he wanted to go to a date since it was valentines day. So you got ready and took your present with you. You went to the meeting place where you usually met him when you two to went out. he wasn't there jet, you've been 10 minutes to early so it was not surprising. you were in your thoughs as your vision suddenly went black. Someone put something over your face so you couldn't scream. 'A kippnapping?' You thought. "m'lady please don't scream" a familiar voice said. You reconized their voice "Francois?" They lead you in a car and drove you somewhere. Francois forbid you to take of that thing that was covered your eyes. After a while you seemed to arrived. Francois lead you out of the car, being careful so you wouldn't hurt yourself. You heard a too familiar voice calling your name "my godness (name) finally arrived" Ryusui shouded. You smile soft. Since the bildfold still covered your eyes you didn't know where exactly he was. You just tried to smile in the direction where his voice came from. "so are you going to tell me why you brough me here?" You asked. He just said "You'll see" and grabbed your hand. He dragged you somewhere and you felt really really unsafe. You would've felt safer if it was Francois who lead you. But it was Ryusui You didn't know if you would ran against a tree or strumble over a rock. To your luck you arrived safe without much complains. Ryusui removed your blindfold and after a half hour you could finally see again. The sun dazzelted and you needed your time to get used to the light. the first thing yo saw was Ryusui and he was wearing a suit then you saw behind him. Your eyes weidend as you saw a huge ship. "this is your valentines present" Ryusui said and smiled. "WAIT WHAT?!" you screamed. "I could never accept this present!!!" you said quickly. "hmm i knew it" He said and with a snap of his fingers Francois came and brought a huge teddy bear. It was bigger than yourself. Francois also brought 10 packs of chocolate. "Wait no-" Ryusui shutted you quit as he put his finger on your lips. "accept at least that present" He whisperd in your ear. "arghh fine I take it. But I will go and get a better present for you!!" you said and wanted to leave to buy something better. "such beautiful red tulips" You turned around and saw that he was aready holding your present. Your face turned red. "Ahh noo give it back" you said and tried to take your present back. But since he was taller he just held it up and you couldn't grab it. the sight of the flushed (name) who was desperatly trying to get you present back enjoyed him. He burst into laugher. You took the chance and grabbed the chocolate and the bouquet of red tulpils. You wanted to leave but Ryusui grabbed your waist and pulled you into a kiss. Your cheeks got reddened again. Ryusui took the handmade chocolate you made him while still hugging you and took a bit. "doesn't taste as good as a luxery one" he said and you tried to push him away. "but I still prefere yours a million times more" you got flushed and looked away. "you really make it hard for me to hate you" you mumbled. Ryusui grinned. "Francois sent my presents to (names) house" he said and you gave him a confused look. He just grinned and carried you in bridal style. He took you into the ship and gave you a room where you should get into a dress. The dress had so much fabric and it was fluffy. It made you feel like a royalty. "Ryusui? you there?" you asked knowing he would wait infront of the door. "yea somthing wrong?" he said worriedly. "I need your help to zip the back." "is it really okay if i wear such a beautiful dress?" you asked. "sure i bought it for you" he said and ziped your dress. you turned around to face him giving him a 'seriously?' look. "just kidding i borrowed it" he lied. You knew that he was lying but just sighed. "Ryusui. You don't need to spent that much money on me" "but I want to and thats because I. Love. You" he whispered in your ear letting you flinch. Your face turned red again. "come lets go" he dragged you by your hand again. You two arrived in a huge ballroom. It was all shiny and everywhere were red roses. "and? amazed?" you only nooded not being able to answer probably. "my queen are you willing to dance with me" he asked and kissed the back of your hand. "yes" you said over happily. "m'lady could it be that you are stepping on my foot on purpose?" he asked. you only laughed "my revenge for that what happened with the presents" "oh right you gave me red tulips does it has a deeper meaning?" You looked away. "eternal love..."you said quitly "huh i didn't hear you" he teased you. "the red tulips mean eternal love in the language of flowers!!" you said louder. your face got redder. Ryusui gasped "does that mean you want to marry me?!" "maybe..." you said flushed.

Senku Ishigami x reader | Meeting him

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Ty!♡

ー

It was one lazy afternoon during weekends that you find it in yourself to visit the Ishigami household. Never had you thought you'll befriend the science geek when you've first met him at the school's laboratory, he was the type of student who ace almost everything with little to no regards on academic awards and certificates. "I learn them because I want to." He'd often phrase, he was busy mixing various potential chemicals when you stumbled upon him that one fated afternoon, too engrossed with his task to notice your figure walking in with caution. You have been tasked to bring the science club president to a meeting, such a simple task indeed, but the said club president has never attended every single meetings since he took the position.

'This elected president must be a lowly delinquent, it just so happens that the club was in dire need of someone to lead them.' You thought, brows furrowing lightly in displease, you were supposed to leave early today if it weren't for this dumb errand your professor assigned for you before you're fully dismissed for the day.

But then again, it's mostly the Science club president's fault. Whoever they are, and what they do, does not even concern you the slightest.

Speaking of, the president always stays longer than everyone else, that's how much you've known about them so far, so it wouldn't be hard to spot them.

"Excuse me?" You finally called out, the lone figure clad in lab gown paused for a moment before they lazily angled their head towards your direction.

Male, probably somewhere around your age if not older. His platinum hair was styled upwards with light green accentuating the tips of his locks before fading to dark gray. His eyes were sharp, pupils dyed in reddish shade.

The lack of interest etched across his face went unnoticed as you rely your mission at hand.

"I am tasked to fetch you for the student council meeting.."

As if on cue he turned back on his work. If he heard you he chose to ignore you completely, and if he doesn't, he must have a bad hearing. That's what you have managed to deduced so far.

This guy would be a complete jerk if it was the former, but before you could continue glaring daggers at his unsuspecting back you heard him speakㅡvoice in cool tone, and slightly low, one that you wouldn't expect he'd possess.

"Tell them I don't engage in such."

Your frown deepened, "I've been informed about your lack of participation in any meetings, but I am tasked strictly to ensure you'd attend this time." You rebute back, you barely know the guy but you can conclude he is definitely someone a little over his head. Maybe perks of being a club president?

He visibly sighs, a hunch burdening his shoulders lightly as he turned around, hand rubbing the back of his neck in a dismissive manner.

"Look, I appreciate your effort, honestly. But those annoying people knew I wouldn't come eitherway."

You stared at him, gauging any lies or hovering deception on his seemingly uninterested gesture. Finding complete absence of ulterior motives, you find yourself exhaling at the thought of your failed task. It was simple, awfully simple. You thought, heck, anyone could do this, what could possibly go wrong?

But fate just has other plans for you.

"We're you going to take long?"

"Huh?" He looks genuinely confused as he stared at you in a calculating manner,

"Your potions...stuff, I'll help you with it."

He stared at you for a moment before a low chuckle left his lips. If he's purely amused or he simply finds your curiosity humorous, you wouldn't know.

He pressed the heel of his palm against his temple before looking back at you again with a confident grin etched across his lips.

"Alright then, since you're pretty insistent." He gestures for you to come closer, his hands hovering over a ring stand, the lab burner flickering just below a flask containing a miniscule amount of odd green liquid. The color somehow reminded you of his ombre.

"Is that a biosolvent substance?" You muttered as you eyed the strange concoction,

His eyebrows perked up lightly before grinning at you once more, "Exactly. Ten billion points for you."

You couldn't fathom the unusual need to give you a score, but you couldn't care less, your mission is at stake here, so long as you managed to help him and finish his task faster, the better.

But that doesn't seemed to be the case.

ㅡ

"You should have seen my recent experiment when I mixed in the glycerol with nitric and sulphuric acid!" He grinned, an excited tone in his usually pensive voice.

"You tryna' bomb our school or something?"

He laughed, maniacally. You swore you can see him teetering over the edge between madness and sanity. "Nah... although it smells terribly sweet for something deadly." The scientist denied with a low chuckle,

"Like a burnt caramel."

"Exactly." he grins once more, before turning around to fetch his used test tubes and flask, he run them over the faucet before craning his head to look at the clock, confused your eyes went to flicker towards it as well.

5:45 PM.

"Ooop, my bad." He smirked, looking back at you in a pensive manner, "It seemed like we missed the meeting."

That seemingly mad scientist is now a friend of yours, who would have thought? Back then you wouldn't even spare the science club a glance, too busy brainstorming your next painting ideas, being a member of the club gave you endless access to tools, equipment and materials you'll need for your hobby.

It's one of the things you find the most joy in. So you couldn't find it in yourself to ask Senku about his seemingly unhealthy obsession towards Science either, because in all honesty? It somehow applied to you too. Just in a completely different font.

You rang the doorbell, once, twice, thrice.

Until it finally opened to reveal a groggy-looking Senku, his eyes were sunken a little, hair in disheveled mess, hinting at a possible all-nighter experiment he's so inclined to ever since.

"Good afternoon!" You greeted with a smile, as you welcome yourself in. As usual, it seems like his father wasn't around due to his line of work. But he always mentions you're welcome anytimeㅡmuch to his son's dismay that is.

A sigh was heard from the male as he shut the door close, "You're too loud, it's so early..." he grumbled under his breathe, hand coming up to ruffle his ombre locks even further. You scoffed,

"It's literally 2pm in the afternoon, dummy. Have you eaten yet?"

You walk towards his room, finding his usual messy set up normal, before situating yourself on his chair. Your eyes caught an empty cup of ramen by your foot and some empty energy drink. Frowning at the boy's lack of interest in sufficient nutrients, you went to grab your purse.

Senku who just happened to enter his room with a yawn, was yanked back outside, down to the stairs, and out they go.

ー

The male was seen crouching down as he attempt to catch his breathe, poor boy has a stamina of a high school girl. "Damn you, (Name)... at least let me breathe for a second. Ya' tryna kill me or something?" He wheezed, hand pressed against his chest as he glared at you menacingly, at least from what he could managed. From your point of view however, he looks stupidㅡlike an angry cat. You stiffle a laugh before grabbing him by his forearm, dragging him inside the ramen shop,

"Atleast feed that big brain of yours with proper nutrients!"

Maybe In A Different Age

Senku/fem reader

cw: angst no comfort (i tried) ik this fandom kinda dead lowkey but I wanted to write this cause its so senku coded. Senku's an idiot (unsuprisingly). Not very good writing.

wc: uhh i wrote this in my notes, around 1k probably

-

Byakuya brings two strangers into their house on a random thursday.

"Senku, this is a close friend and her daughter, I'm sure you guys will get along splendidly."

"Ok."

Five year old Senku is harshly blunt when he meets you for the first time, staring at him silently as if you've never seen a human before. He doesn't have anything to say and it seems neither do you, so he walks off, deciding he has better things to do. Promptly ignoring the sigh and apology the older man lets out.

.

"So I got this new idea and I'm going through the basic logistics and research right now, might need your help later."

"I'll go get us some snacks and something to do while you work on it then."

Six year old Senku watches you dissappear from his doorway, absentmindedly humming while you head to the very familiar kitchen. Your family has been apparently busy as of late so he forcibly sees your face more often. You usually just eat his food, do your work, and ask him (dumb) questions. You're a friend now, he supposes.

.

"Hey dum dum, Byakuya got me new equipment, so I have some new ideas. So listen up."

"Course Senku!"

Seven year old Senku grins, you're always willing to help him out for whatever reason you have (something weird probably, in his opinion). In return, he always tells you what he's working on and his labor demands. So per usual, he excitedly gets into the details of the next project that he plans on working you and Taiju to the bone for.

.

"Hey Senku?"

"What?"

"I think I love you."

"Huh? You better not be catching feelings dum dum." He gives you a confused squint after hearing your words.

"Whatever you say." You hum

Eight year old Senku hears you say those three words for the first time, you don't say why and he doesn't know either. He thinks its rather idiotic, but he shrugs it off after you silently go back to reading. You've been picking up books more often as of late, not that he cares much.

.

"You're late for the test runs, Taiju and Yuzuriha already left."

"Sorry sorry! My teacher held me up a little later at practice today."

"Hm." His disappointed stare returns.

"Im sorry..? Love you?" You're sheepish with your response.

"How is that supposed to make up for anything? Now come help me carry this stuff"

"As you wish, princess Senku."

Nine year old Senku doesn't understand why you and Byakuya tell him that so often (or that stupid nickname sourced from his "feebleness"), but he moves on quickly to detail the results of the test and the numerous next steps. Much to his pleasure.

.

"Wake up stupid. You fell asleep." Senku (roughly) shakes you awake from your shoulders, poking at your face a few times.

"Huh? Oh sorry Senku, I guess I'm just tired."

"Well you're not gonna wanna miss this." He grins while looking up, expectant.

"Hm. Hey the moons pretty tonight yeah?"

"It looks the same as it always does. Is that poetry getting to you and making you sappy?"

You wait before responding, "Maybe."

Eleven year old Senku keeps you up on certain nights for his projects or for nights like these where there's a meteor shower. He thinks you should stop reading so much of those books that make you sound like Byakuya. You should also get more rest, he adds.

.

"Happy Valentines Day Senku!! Got you a gift, heh."

"Must I tell you again?" Senku turns to a usual sight, you waving a gift in front of his face as if he were a dog.

"I'm good I just wanted to remind you."

"Right."

Twelve year old Senku doesn't see the point in meaningless feelings or holidays for said feelings. Nevertheless, he takes the homemade chocolate from you, skimming through the card which contents include exactly what he expected (a confession of sorts, again), and placing it to the side. Ignoring it in favor of the much more sensible chemicals in front of him. Like every year though, Senku keeps it. He doesn't know why.

.

"Taiju and Yuzuriha definitely have something going on don't you think?"

"And you're bringing this up why?"

You pause, you know why, but you know he wouldn't understand. "It's cute... wish I could have something like that you know?"

"...For the last time-"

"I know I know Senku, don't worry I'll try to bother you less."

Thirteen year old Senku doesn't see you as much anymore, mostly because of your practice that your mom wants you to perfect. You come over less nowadays, a shame (for his projects obviously), but your presence isn't any smaller of an intrusion at school. So much for bothering him less.

.

Around 21:00 is when he hears the familiar ringing of his doorbell. "It's late, why are you here?"

"Got out of training not too long ago and wanted to see you before I headed in."

"Your house isn't even remotely close to mine" A raised eyebrow is all you get in response to your grin.

"What does it matter when I'm already here, but gotta go before I get scolded. Goodnight Senku, Love you!"

"You know it's never gonna happen, as you know-"

"Yeah yeah, 10 billion percent illogical, I know, but I can't let my favorite person forget can I?" You flash another smile.

"As if I'd ever with how often you say it, now goodnight."

Fourteen year old Senku closes the door after you've cheerfully said your bye and faded from his sight enough. The lack of noise is strange, now that Byakuya has "ascended like an angel" (his words not Senkus) it's much quieter. The usual noise of a certain two people is absent more often than not. He let's the silence of the house sit in.

.

"Hey, can you get me something from the storage real quick? Need it soon but that bonehead forgot when he came up here babbling about confessing to Yuzuriha"

"Of course. I'd do anything for you. Always here. You know that Sen."

Fifteen year old Senku glances at your fleeting figure. The nickname is new, for sure. And he can't say he dislikes it, but the lack of a certain three words with your departure is strange. He brushes it off to your usual forgetfulness and peers out the window at Taiju and Yuzuriha. Thoughts preoccupied until a bright green light overtakes his vision and he can't do anything but think into the void.

So he counts.

And maybe every once in a while you pop into his head like you always do.

.

Three-thousand and something year old Senku wakes up to a world where theres a lack of civilization, a lack of his decency, and most importantly, a lack of you.

You would be useful right now, he supposes.

.

Three-thousand and something year old Senku spends his free time trying to find you and the rest of the "gang" (as you would say).

He finds Taiju, he finds Yuzuriha, he also finds a lion-punching maniac, but there's no sign of you.

He's ten billion percent sure you survived.

Right?

The concerned stare Yuzuriha gives him as they part is ignored.

.

(Physically) Sixteen year old Senku celebrates this birthday gazing into the sky from his new observatory. It reminds him of a lot of things, but he can't help but notice how empty it is, it's eerily quiet.

He doesn't like it.

Senku wishes you were here.

His first real birthday wish.

.

(Still) Sixteen year old Senku breaks when he hears his father's voice again for the first time in ages. It's not his voice that gets to Senku. He's heard it plenty enough in his lifetime. It's the mention of you.

"Just kidding! I know it's you on the other side of this Senku! And ____'s there with you right? Please tell me you're dating already or even better married so I can have grandchildren. Please please please Senku! Although you can't really tell me that but-"

Senku stops himself from showing vulnerability in front of the village, and he also stops himself from pausing the record right there and then. Opting to sigh and curse his dad out as a cover up, his fist lightly punching the table.

"Damn you old man."

The questions from the villagers about who you could be are forgotten in favor of an angelic voice. Senku's quick to tune it out. It reminds him of you.

.

(Mentally) Sixteen year old Senku sits by himself that night. It's been a long day. The constant repeat of a certain melody in the background, more work for the science kingdom, and a few questions about who you were. They stopped after a few radio silences from him, feelings are hard for the scientist after all.

It's cold.

He wishes you were here.

It's dark.

He wishes you were here.

It's lonely.

He wishes you were here.

The day he can always guarantee you're there has long passed. You should be here, is what his mind tells him. You owe him for the past 3000 years of missed birthdays after all.

It's funny, in his opinion. That you were probably most-definitely always there. And the one (multiple actually, 10 billion in his mind) time he looks for you, you're not there.

He doesn't think its funny.

"I'd do anything for you huh..."

Anything but keep your word.

He scoffs, but it's directed at himself. He would never blame you for this, or anything for that matter, he can't.

So he sits. And he stays. Like you would've wanted him too. He looks at the clear sky like you usually do. And he notes how the moon is pretty tonight. Just like you.

"I love you too."

He's 10 billion percent sure he does.

-

Thanks for reading, if you did :). Sorry for any errors not fully proofread. Senku is so right person wrong time coded when it comes to romance that i had to write this even if its lowkey bad