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𝐌𝐲 𝐒𝐢𝐬𝐭𝐞𝐫?!

𝗗𝗘𝗦𝗖𝗥𝗜𝗣𝗧𝗜𝗢𝗡 - 𝘕𝘰𝘵𝘩𝘪𝘯𝘨 𝘴𝘢𝘺𝘴 ‘𝘧𝘶𝘤𝘬 𝘺𝘰𝘶’ 𝘭𝘪𝘬𝘦 𝘧𝘶𝘤𝘬𝘪𝘯𝘨 𝘺𝘰𝘶𝘳 𝘦𝘯𝘦𝘮𝘪𝘦𝘴 𝘭𝘪𝘵𝘵𝘭𝘦 𝘴𝘪𝘴𝘵𝘦𝘳.

[𝙔𝙤𝙪𝙣𝙜!𝙎𝙚𝙫𝙚𝙧𝙪𝙨 𝙎𝙣𝙖𝙥𝙚 𝙭 𝙋𝙤𝙩𝙩𝙚𝙧!𝙍𝙚𝙖𝙙𝙚𝙧]

“Don’t you dare make a single sound.” Severus hisses while he has you pushed up against a shelf of books.

He wraps a hand around your throat to keep you pinned and lets the other stray downwards until it reaches the end of your skirt. You squirm as his hand trails over your thighs, leaving behind a bed of goosebumps.

“S-Severus.” You said his name like a prayer and you sounded heavenly, but it was too loud for his taste.

His hand is quick and sharp when he pulls it back, only to harshly slap it against your panty-covered pussy, “I said be quiet.” He demands again as you whimper.

You bite down on your bottom lip as his palm and fingers rub slowly over your covered clit, but it doesn’t stop you from squirming further, making him tighten his grasp around your neck.

“Don’t piss me off more than your brother already has. I have no problem using you to get Potter off my back.”

You weren’t sure what hurt more, his grudge against you because of who you’re related to, or the fact that he really was only using you to get back at your brother; but then his finger grazes over your clit in a certain way and you forget everything he said.

The hurt that crosses your face didn’t go unnoticed by the slytherin, but he pushes aside the guilt by inserting his hand into your panties. You gasp as his fingers touch your bare cunt, reaching towards your wet opening to gather your slick up to your clit.

“P-please I-”

You don’t know what you're pleading for, but you stop when suddenly he pulls his hand away and your body is being turned around to face the book shelf. A hand swats you your covered bottom, but he ignores your cry and instead lifts your skirt to drag both of his hands over your panty-clad rear.

“You just can’t listen, can you? I guess it runs in the family.”

He pulls your panties down to your ankles and you writhe from the cold air rushing against your slicked pussy, but you freeze when Severus drops to his knees. His hands knead your ass cheeks before he pulls them apart to inspect both of your openings. Your cute little butthole puckers from the sudden intrusion of privacy and your gaping hole, leaking of your sweet juices, pulses wildly; begging to be tasted. To be filled.

He can barely stop himself before he buries his face between your thighs. You sob as his cunning tongue prods your puckered opening first. He spreads your cheeks as far apart as he can to give his tongue more room to explore, allowing the tip to swirl around your rim. He moans gratefully as your tightest hole slowly opens up for him to ravish, but he pulls away. You needed time and to be better prepared to take his cock in your ass; time wasn’t something neither of you had right now.

“Gonna fuck this hole the next time I get my hands you.” He murmurs, but you hear him clearly and his words make you wiggle your bum in anticipation.

“You’d like that, wouldn’t you? You like the thought of me fucking your cute ass? Who would have thought the youngest Potter was such a whore?”

Your only reply is another whimper, but he doesn't need to hear your words, your reactions are more than enough to understand. Your hands grip the shelf tightly, trying to steady your shaking body, but it’s useless when you feel his tongue digging into your other hole.

“S-sev!”

Thankfully he’s too busy to notice or care for your little nickname slip-up and groans when he fully enters his tongue inside your opening, finally able to taste you like he’s wanted to since the first time he had inappropriate thoughts about you. Your sweetness and bitterness blended so well together, making him gather as much as he could on his taste buds, but as much as he wanted to taste you more forever; he knew your clit was begging for attention.

He pulls your body further away from the shelf, only to bend you over completely, spreading your legs further apart. You have no time to react before his lips suck in your nub with so much force that it makes you jump, causing the shelf to shake.

“Holy sh-”

You’re cut off when he releases your clit and begins dragging his tongue across it, switching from pattern to pattern. It was embarrassing how close you were already, but the pressure building up in your lower tummy was too good to forget. Reaching behind you, you grab a hand full of his hair and hold him right where you want him.

“Severus, I’m cumming!” You whisper as quietly as you can, but it’s no use.

You’re cumming hard and holding in any noises is impossible.

You hold him closer and tighter, practically grinding his face into your pussy, drowning him in your essence. He doesn’t seem to mind though, for he only grabs your hips and pulls you closer to his mouth until you're fully spent. After you’ve heaved one final breath, he places a single kiss to your clit before standing up. He rises you up from bending over, only to shove you face-first into the shelf again.

“I think you're ready for my cock. Don’t you agree?”

You nod your head violently, making him chuckle.

“Good girl.”

He reaches down to undo his pants and pull out his cock; and before you can say or do anything, he’s inside of you and thrusting. He wraps his arms around you, undoing some of the buttons of your shirt to shove your bra down. His hands squeeze and twist your nipples while he hides his face in your neck.

Tilting your head, he’s lavishing your skin with wet kisses and nips.

“Merlin, look at you.” He rants, “Taking my cock so well. I wonder what Potter would think? His own little sister getting fucked where everyone can see.” He grunts when your cunt squeezes his shaft, “But you like it, don’t you? You like me fucking you right here, where anyone could catch us?”

You start muttering incoherent sentences and it riles him up even more. His thrusts speed up and can feel the burning sensation in your lower belly again. You clench around him tightly, making him growl.

“So fucking good, you feel so fucking good!” He blubbers as he feels his own pleasure coming to the edge.

You weep as he hits so deep inside of you, making your brain go foggy. It’s coming, you can feel it and you hope he does too, because before you can warn him, you're cumming around him. Your spasms spur on his own release and he over-fills you with his seed, making some of it slip out and run down your thighs. You both try to catch your breaths, but Severus can’t stop himself from holding you closer.

As you continuously wail for him during the after-shocks, he whispers sweetly in your ears.

“You did so well, love. Such a good girl for me.”

His endearments make you keen until a few voices gasp. You and Severus quickly turn your heads to the sources of the sounds. Your heart falls to the pit of your stomach while Severus smirks and holds you tightly.

There stands your brother and his friends, all frozen and wide eyed at the sight in front of them. You pull your shirt around your chest, but the rest of your body stays still.

“Can’t you see we’re busy Potter?” Severus spits out, but he’s too amused to be angry.

James only looks at you in shock before uttering your name.

“Y-Yn. But- You-” He stutters.

You sadly look back at Severus, expecting to see him looking at Potter in victory, but he’s not. He’s looking at you, with the most sincere smile, like you're something he’s wanted all his life (which is true).

Butterflies flutter around in your stomach and you’re too happy to care about what your brother thinks as you stare at the young man you've liked since you first saw him.

James would get over it.

Eventually.

masterlist.