you + me = you/me

Jan 12, 2010 20:55

you + me = you/me
paralyzing_time
smut, fluff; nc-17; kyuhae
1699 words
kyuhyun is good at math. donghae needs some help. AU
warnings: faily!smut, tons of puns, cheesiness
notes: BECAUSE I KNEW KYUHYUN’S MATH IDIOCY GENIUS WOULD BE OF USE TO ME ONE DAY. 8D ...I SWEAR THIS WAS HELPING ME STUDY FOR MY GEOMETRY FINAL. my first smut please excuse fail and rushing and typos

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“Are you even listening to me?”

Donghae snaps out of his reverie when he hears Kyuhyun’s voice dripping with annoyance next to him and feels his stabbing glare. A sheepish grin appears on his face as he plays with the pencil in his hand, twirling it around a bit.

“I’m trying, Kyuhyun-ah! But this math stuff is so complicated!”

“It wouldn’t be so complicated if you tried paying attention,” is Kyuhyun’s sharp reply before sighing and going back to explaining how to find missing angles all over again.

Donghae purses his lips. It isn’t like he is trying to purposely annoy his dongsaeng, but his attention span is short, and math is utterly boring. His elbow rests on papers piled on top of his open textbook as he tries to concentrate on what Kyuhyun is saying; it feels impossible. Donghae lifts his head up to take a look at the other male and doesn’t worry about getting caught. He knows Kyuhyun will only concentrate on getting this over with.

He is extremely attractive, Donghae thought. Kyuhyun has full lips (that are moving right now, and Donghae somehow resists the impulse to kiss them), a rich voice, lean body, long legs, and other things that would extend the list inside of Donghae’s head.

“You need to use the inscribed angle conjecture here.” Kyuhyun says and points to the darkened arc of the circle with his pencil. “Hyung-"

Donghae cuts Kyuhyun short by reaching up and placing his hands on the other’s face before putting his lips on top of his junior’s. Kyuhyun tries to resist, but his efforts fail as Donghae snakes one of his hands into his hair, keeping his head trapped there. There are muffled noises of protest that slip, but Donghae ignores them to gently bite down on Kyuhyun’s bottom lip, causing his mouth to open and giving Donghae an opportunity to slip his tongue into the younger male’s mouth.

Donghae never would’ve guessed that Kyuhyun tastes like vanilla.

He feels Kyuhyun start to respond, their tongues tangling together into a battle of dominance. Donghae leans into Kyuhyun, which causes the latter to use his arms to support himself from behind. One arm to hold himself up and one arm to hold onto Kyuhyun’s head, Donghae pulls away when he feels the need for air force him apart from Kyuhyun, and he sees the younger male’s flushed cheeks and parted lips. He licks his lips before lowering his mouth onto Kyuhyun’s neck and biting down onto the creamy skin. Donghae leans even more so that Kyuhyun’s back is to the floor and Donghae is on top of him, knees and hands as support. He feels Kyuhyun wrap his arms around his neck and smiles against Kyuhyun’s neck, who shivers in response.

He bites and sucks, enough to leave a mark, before descending to the crook of his neck. His right hand goes under Kyuhyun’s shirt, teasing the skin with light touches.

“You’re,” Kyuhyun sounds out of breath, “supposed to be learning geometry, hyung.”

“I am.” Donghae breathes against Kyuhyun’s pale skin. “I’m applying my knowledge.”

Before Kyuhyun gets the chance to answer, Donghae’s fingers brush against Kyuhyun’s hardened left nipple before running a line over to his right one.

“That,” Donghae moves his face up to look at Kyuhyun’s face as he whimpers quietly from the contact, “was a line segment, no?”

Donghae soon learns Kyuhyun is fairly vocal as he once again bites down hard into the crook of Kyuhyun’s neck, eliciting a soft cry from the body’s owner. He kisses the injured skin as an apology before once again lifting his head up to meet Kyuhyun’s eyes, sitting upwards and straddling the younger’s waist.

“Too many clothes, Kyuhyun-ah.” Donghae acts like it’s a shame when he slips his hand out from underneath Kyuhyun’s shirt; the male beneath him struggles to break free, but fails yet again. “We can do some subtraction, yeah?”

His fingers unbutton the shirt in a flurry, and soon it’s tossed aside and left to be forgotten. Donghae admires the paleness of the newly exposed skin. Raising both of his hands so they’re on top of Kyuhyun’s body, their left index fingertips trace from the middle of Kyuhyun’s collar bone and down to both of his nipples. Kyuhyun gasps from the teasing contact and moves his head to the side, his own arms at his sides to clutch onto whatever carpet they could. Donghae’s fingers descend diagonally from Kyuhyun’s nipples and across his stomach until they met at the top of Kyuhyun’s jeans.

“And what I just drew,” Donghae starts but pauses to lick his lips, “was a kite.”

He watches as Kyuhyun’s eyes glaze over in want, and his hips thrust up against Donghae’s from the light contact. Fuck fuck fuck is the only thing that flies across Donghae’s head.

“This line here bisects the vertex angles of the kite.” The older male promptly puts his finger at the split in Kyuhyun’s collar bone again before brushing a slightly wavering straight line down. He stops at Kyuhyun’s jeans and gives the best innocent look he can to the math genius. “Right, Kyu?”

“Yes.” Kyuhyun breathes out softly. “Fuck, yes.”

“We need to do some more subtraction.” Donghae muses aloud while slipping his own shirt off and throwing it to a corner of the room. This time, he doesn’t touch his junior again. His right fingers drum against the skin of his breastbone before pressing down a little and starting their descent.

“Let’s say that from my breast bone to my nipples is an angle, okay? And my fingers are splitting the angle into two halves.” He proposes as his fingers travel across his abs and he himself has to restrain a moan because the touch is sending shivers down his spine and his dick. “So I’m bisecting the angle.”

Donghae gives a self-satisfied smile. “See, I pay attention.”

Kyuhyun watches the show in front of him, willing himself to continue to focus on the male on top of his body. The sight goes down to his cock and he lets out a small groan because his pants are confining him and he needs a release now.

“Okay, you were paying attention.” Kyuhyun’s words are blurred and stuck together, but he doesn’t care. “Just, fuck, Donghae, hurry up.”

“As you wish.”

Donghae quickly strips the both of them of their remaining clothes and moves the two of them onto Kyuhyun’s bed. He crawls up Kyuhyun’s body and captures his lips again as his fingers wrap around Kyuhyun’s erect cock, leaking with precum. Kyuhyun gasps and wraps his arms around the older male’s neck as Donghae squeezes slightly and moves his hand, thumb swiping against the slit. The gasps soon turn into moans against Donghae’s mouth and Kyuhyun’s bucking his hips up for more friction, more touching, more anything as long as there is still physical contact.

“Circumference,” Donghae hisses against Kyuhyun’s lips, and Kyuhyun wonders how math could sound so hot.

Donghae takes his hand away to take some of his fingers into his own mouth, coating them with a sufficient amount of saliva while simultaneously licking Kyuhyun’s precum off. Kyuhyun lets out a whimper from the loss, but quickly switches it to a groan as he feels a finger being inserted into him. Donghae shushes him quietly and kisses his cheek to apologize for the discomfort before adding in another finger. Sparks of black flash across Kyuhyun’s eyes as he feels Donghae scissor inside of him and he throws his head back.

“Maybe thirty degrees.” Donghae chuckles against Kyuhyun’s neck and the younger’s shivering from the mix of coolness and heat against his sensitive skin. Shortly after, Donghae presses his unused fingers against Kyuhyun’s lips. They’re accepted quickly as Kyuhyun licks them and sucks, hard, when another finger goes inside of him. Donghae’s breath becomes ragged as his thoughts fly to what other things Kyuhyun could do with his talented mouth, but voices nothing as he removes his fingers from both places. He coats his erect cock with the liquid, making sure to keep it as slick as possible before taking away his hand and positioning himself at Kyuhyun’s entrance.

“Ready?” Donghae asks and, when given a nod, slowly enters, groaning into Kyuhyun’s neck as the tight heat engulfs him. He waits a few agonizing minutes before Kyuhyun gives the okay for him to move. His thrusts start out slow before the speed increases. Donghae slowly finds a rhythm and is soon pounding into him, Kyuhyun crying out every time Donghae pulls out and plunges back in. It’s during this that Kyuhyun lifts his hips up and Donghae hits a spot that makes him see stars.

“Fuck!” Kyuhyun curses as pleasure explodes inside of him in the form of never ending fireworks. A smug grin makes its way across Donghae’s face.

“Tangent conjecture.” Donghae manages to breathe out between thrusts. “When a line is drawn from the point of tangency to the radius of a circle, it makes a right angle, doesn’t it?”

Yes, yes, yes, is what Kyuhyun wants to say, but he’s too far gone to make form any coherent words. Normally he would laugh at such a stupid pun, but it’s impossible when Donghae keeps hitting that ohmyfuckinggod spot. He knows Donghae is close when the other just spouts off math terms off the top of his head.

Donghae’s fingers curl around his forgotten cock and Kyuhyun keens from the dual attack; he sees only white for a moment, arching his back into a minor arc as he cums, white liquid spilling all over his and Donghae’s stomachs. Donghae, feeling the sudden tightness clamp around him even more, comes with a desperate cry, spilling his seed inside of the younger male.

Donghae catches his breath and pulls out a few minutes later; lying next to Kyuhyun’s spent body and wrapping his arms around his junior’s waist. The silence lingers for a while before it's broken.

“You’re acute triangle.” Donghae suddenly says and Kyuhyun just snorts, too tired to come up with a witty comeback while Donghae breathlessly chuckles.

“That was incredibly corny, Donghae.”

“I know, I know.”
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