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youth flowing in my veins

Summary:

After Episode 8.

Se Kyung tutoring Yi heon for his college entrance exam, but the latter needs a hand... down there.

***
They both dropped to the bed beside them, panting, chest going up and down heavily, sweaty and flushed all over. Se Kyung just closed his eyes for a few seconds but when he opened it, the scene of Yi Heon's dick slowly rising up and gaining hardness was revealed.

He looked at Yi Heon with a shocked face, and he too was taken by a surprise. The stamina, the libido, the cardio and everything. They laughed in disbelief. And now, he's fully hard again.

"Ah... so this is youth."

Notes:

(See the end of the work for notes.)

Work Text:

Yes, it's so great he basically had two lives and feeling this young is a privelege. But going through puberty twice is not a joke. Sure, Deuk Pal have experienced being an eighteen-year old boy waking up with a raging boner everyday. But boy, isn't Yiheon's body going through it harder.

He would need to fap one out as soon as he get up that morning. Then he would go to the gym, do boxing, and go for a run then he'd come home feeling extra horny. When he's in class or study halls, it's either he'd hide a boner all day or jack off in the restroom stalls. After a draining day, he would take a bedtime shower... and yes he'd do it again there. He'll sleep, he'll wake up leaking, and the cycle repeats.

Deuk Pal couldn't help himself but think if this war of hormones is also a battle that Yi Heon faced even before he got into his body. In his original age and body, twice a week would be enough. He once searched Yi Heon's room for magazines or DVDs, if he owns any, but he realized the young boy may not even know that those kind of 'zines exist.

One weekend, he invited Se Kyung for a tutoring session in his house. His Mom is resting peacefully, the ahjumma is taking a nap too after serving them snacks and fruits, and only the two of them are in Yi Heon's room.

He is taking this review session because college entrance exam test are on the corner and he couldn't afford to fail.

"Ya." Se Kyung called his attention after checking the mock quizzes. "For other subjects, you are improving. Not perfect, not good, but you still got a passing score."

Yi Heon bites his lower lips.

"But for Math..." Se Kyung shook his head. "This won't do."

"I tried my best," Yi Heon claimed.

"We covered all the topics not just once, not twice, but thrice." Se Kyung looked at him directly. "Why can't you concentrate?" His eyes scanned him from head to toe... but it stopped in the middle.

Yi Heon traced where the hell Se Kyung's gaze focused and it lead him to an answer. The similarities of him and Math? They're both hard.

And it doesn't help that he's wearing a grey sweatpants. He immediately pulled a book from the table and covered himself.

"I see..." Se Kyung laughed a little. "You were thinking about something else that's you why you're distracted the whole time..."

"Hey, I didn’t even notice until you mentioned it...: Yi Heon's defense.

"Don't lie."

"I'm not," very quickly he said. "I’m too focused on remembering formulas. I don't think about anything but to pass this mock exams."

Se Kyung breathed heavily and faked a smile. "It's funnier when you are defensive about it because that's normal, tho." He laughed. "Ah! Do you know men's spem count is at peak at 6pm?"

Yi Heon looked at the clock on the table and it's exactly 6:09. He didn't even noticed it has been hours since they started studying at noon.

"That’s a trivia. Now you know." Se Kyung's eyebrows nodded at him and laughed.

"Ya... I don't care about the trivia. I only care about the exam. We don't have time to joke around."

"Didn't you get what I said? That's your cue to get up, go to the bathroom, and clear your head."

"Are you saying we have a break? A jerk off break?" He bursted out laughing but Se Kyung nodded seriously.

"Yeah, there's a saying that men can't have their two heads full. One must be emptied for the other one to function."

"I don't need to." Yi Heon said. "I'm used to it and I can act like I don't mind it."

"Okay, if you say so."

Thankfully that topic stopped. Well, Yi Heon doesn't really feel weird talking about things like that with people of the same sex. They're both men, after all. And he had heard much more weird convos in his gang, in the army, etc.

They resumed their study session by going through the items he didn't get and how to make it right. Everything is normal, he doesn't feel weird and nothing happens. Until it isn't anymore.

Yi heon doesn't know when he started noticing how Se Kyung smells. Maybe it's because Se Kyung went closer to him to make sure he really pays attention, but its counterproductive as he all think about now is Se Kyung and his cologne. It's powdery but not so much like a baby powder, there's some floral and coconut notes that doesn't reek feminine but fresh. He can smell a faint vanilla in his hair too, maybe it's Se Kyung's shampoo or conditioner. But aside from that perfume-ish smell, there's something that adds flavor too. Maybe, body lotion or hand cream? Or his laundry detergent? He can't tell. It just... stimulates something in his brain.

"Yi Heon, are you listening?"

He panicked when his name was called. "W-What?"

Se Kyung, even though with a hint of annoyance in his face, got more closer and explained the notes on the paper in front of them again. And Yi heon, is back at zoning out again! He's so close he can't help but notice Se Kyung's neck and nape area that moves as he speak. Then his gaze went up to his chin, then to his lips. If he needs to draw Se Kyung, he knows that a full heart shaped lips would be his determining feature. But he just learned how soft and moist it looks from up close in real life.

"I already told you."

Yi heon snapped back again. He looked startled and confused as Se Kyung looked at him straight.

"You can't focus! You're out of it and you're not paying attention."

"I'm sorry—"

"I don't want you to say sorry, I told you to go to the bathroom and get it over with!" He said and pushed him to get up. Even though both of them doesn't look at his grey sweatpants, they know the bulge never subsided. And in fact, it grew even bigger.

But Yi Heon didn't stand up.

"Why won't you listen to me? Why aren't you going to the bathroom?" Se Kyung said with a sigh. "It's not weird for you to do that, it's even weirder if you are sporting one while I'm teaching you. I gave you permission from the start, didn't I?"

He looked away. "Would it be weird if you helped me, tho?" Things got out from his mouth.

"What?"

"Honestly... I'm tired of doing it every day on my own, without anything. I don't even have magazines or DVDs."

"What?" he uttered again. "You mean porn?"

He just nodded, feeling the heat in his cheeks.

"You have a computer and a phone. Why would you need magazines or anything?"

"I can't navigate Yi Heon's computer, it's too techy for me. Wait, you watch porn on your phone?"

They both look confused... and flustered at the same time.

"Well... I mean that's what teens do, either with that or their computer or laptop."

"But do you...?"

"Sometimes. But I don't do it in my room, you know Dad put hidden cameras there. And I know he doesn't want me watching those because he would say it's illegal."

And when he thought Yi Heon's life as a teenager with active hormones is hard, there's Yi Heon who can't even enjoy an alone time in peace at their own house.

"Do you want to... jerk off together?" he asked.

"W-What are you talking a-about?"

"We're both men and we're both teens."

"I'm not showing you my body..."

"Then..." He slipped his hand inside his pants and got his rock-hard manhood out. "I can show you mine."

Se Kyung's eyes widened. Yi Heon's dick... it looked really hard and his balls are so big. It's darker than the rest of his body, it's not very tall but it's very girthy, that he would say. He doesn't trim down there too, it seems.

"T-Thats... that's not even y-yours... that's Yi Heon's," Se Kyung said. "Would he appreciate you showing off his body like that?"

"This body is very needy, you know. He would understand. Besides this is something to be proud of, isn't it?" He even pulled down his pants and underwear lower. "Yi heon needs a hand."

Se Kyung looked at Yi Heon's face that is so flushed and his eyes that is so vulnerable. His hand found its way to Yi Heon's hard cock and he gently wrapped his hand around it.

"Ahh." Yi heon groaned with a simple touch. He knew it, Se Kyung's palms are so fucking soft and smooth. His fingers wrap perfectly on his girth.

Se Kyung moved closer and he began moving his hand up and down. Both of their eyes are fixated on that dick between them. The rythm started slow but as minute progresses, it picks up the pace. Se Kyung's thumb plays with the tip of his cock, the motion he's making with his hand is really like milking him.

"Is this how you masturbate, Se Kyung?" Yi Heon said in between moans.

Se Kyung didn't answer but only blushed hard.

"Your hand is so talented; I had four hands but never did this so good... ahh.."

Se Kyung squeezed him tighter and made the pace quicker.

"Don't talk... just finish quickly."

"N-No... I don't wanna."

"What? How long do you want my hand on your dick?"

"I don't know... just... just don't stop. Hmmm..."

Se Kyung bit his lips. A little later and Yi Heon's hips are thrusting into his hand, as if very desperate to fuck his palm. He is also seeing precum.

"Should I get the tissue already? I don't want your mess on my hand."

"N-Not yet... I need something more."

"What?"

"Come closer."

"Why—"

Yi Heon just went closer until his head is buried on his neck. He was sniffing and kissing him there, under his jaw, below his ear, near his collarbone. Se Kyung didn't budge and just kept his rythm on Yi Heon's dick.

And without any fucking notice, Se Kyung just felt Yi Heon's body tremble and his breath deeper... and his hand underneath all wet and slimy. Fucking Yi heon. And he doesn't even stop cumming as he feels his dick still pulsating on his palm and the cum dripping on his wrist.

"You came smelling me...?" he whispered.

"I'm sorry... I'll clean this up," Yi Heon said after a few breathers.

"Are you finished?" They are still whispering.

"I just did."

"Then why is your dick hard again?'"

"Because you're still holding it?'

"No, you're even harder now even though you came."

"Should I say sorry? I can't control it tho."

Se Kyung sighed and laughed a little. "If I stop here, would you be able to resume studying?"

"I don't think so..."

"So...?"

"What?"

"So what do you need me to do?" Se Kyung asked.

"Are you saying you want to continue?"

"That’s a question for you. Do you want me to continue, yes or no, and how?"

"Well..."

Yi heon sat up straight from burying his face in Se Kyung's neck. He got the tissue from his cabinet and cleaned his dick and Se Kyung's hand. They both noticed his dick just got bigger, it's his first time seeing it this big too.

"Se Kyung... you're into men, right?"

Se Kyung's eyes avoided his. Another reason he can't jerk off without feeling nervous is because he watches homosexual material and for fucking sure, all hell would break loose if his father knows. It just came naturally to him, the first time he watched porn he just searched a men to men video and it has always has been like that. He never experienced attraction or arousal to girls either.

"Don't be afraid to answer, it's not like I'm your dad." Yi heon tapped his shoulders. "When I was Deuk Pal, I never had a child. That's because I never had a wife. And that's because I never had a girlfriend. I think you know what that means."

"You were into men, too?"

Yi Heon nodded. "And when I got into Yi Heon's body, I still find myself attracted to men. So I don't know if I'm like this by heart or by his body."

"Yi Heon's into boys," Se Kyung said. "I just knew. That's why I was not sure too if his sexuality changed with you in his body."

"My theory is we're both into guys so there's no dissonance, really." He laughed. "I never experienced exploring myself because in my generation its not really open, and I was a leader of gang too so I hid it."

"So you want to explore now?"

"I take that as you want to do it with me."

Yi Heon cupped Se Kyung's cheek and pulled him in for a kiss. It wasn't a normal kiss, it was french kiss immediately. Perhaps they really were turned on that time that they just found themselves in Yi Heon's bed. Yi Heon's shirt is now taken off, exposing his built chest and abs that made Se Kyung so hard. They continued making out like that, until Yi heon fixated on his neck again while his hand caresses Se Kyung's body.

This is Se Kyung's first time kissing and making out but it all felt natural to him. Like an inner desire. He opened his mouth when Yi Heon enters it with his tounge, a moan comes out of his mouth as they grind and hump their body against each other, and he closes his eye in pleasure as Yi Heon kisses him all over.

Yi Heon took off everything he's wearing below. He's completely naked now.

"Can I take off your clothes now too?" he asks.

And even though Se Kyung said he is not showing his body to him, his body automatically got up and removed his shirt himself. Revealed in front of Yi Heon is his milky white complexion and soft body. He doesn't have defined chest or abs like him, but he's fucking fucking sexy in Yi Heon's eyes. Fuck his small waist that begs to be held. Fuck his nipples standing up hard as if they were begging to be sucked on. Fuck his chest and abdomen area that God designed to be cummed all over.

And all that he did until Se Kyung is a moaning mess. Se Kyung literally came without touching him down there, his pants are fucking wet now. So they decided for what's the best and took off Se Kyung's pants. His white underwear is soaking wet he can basically see the shape of his dick.

But Yi Heon would not yet mind the front, as he flipped Se Kyung over. He took of his underwear completely, exposing Se Kyung's ass cheeks. It's round and smooth and hairless. Fuck.

"Ah!" Se Kyung shouted in pain as Yi Heon slapped the hell out of his ass. And before he could ask why he did that, Yi Heon slapped it again. Again and again and again until it turned reddish.

It fucking hurt but who is he kidding if he said it didn't make him more fucking wet. It's weird for him but he won't question his body reaction.

"I can fuck you right now..." Yi Heon said.

"Not yet..." he begs. "Ah!" He felt something in his hole. "What are you doing?"

He turned around and he just saw Yi Heon eating him out.

"Don't lick there... ahhh..."

But he won't listen. And he really wouldn't for the next ten minutes that his tounge is licking his hole, inside and underneath. He would slap it here and there, and he would change their positions a lot of times just to eat it better. Fuck him and his tounge. Fuck Yi Heon.

"I can't do this anymore..."

He heard Yi heon whispered underneath his breath and he thought could take a break from all that stimulation in his back side. But he felt something poking it that is surely not his tounge, and when he looked back, it's Yi Heon's fucking cock.

"Ahhh." Se Kyung groaned and buried his face in the pillow, as Yi Heon buries his cock inside him too. It feels so fucking weird he wanna cry from pain and pleasure.

"You're so tight... Se Kyung... shit..."

And then he moved in and out. He is literally not just fucking him, but railing him. Nailing him. His dick rearranging his guts and he can't do anything but moan like a fucking girl.

"Ahh.. Ahh! Yi Heon! I..."

"Fuck... hmmm.."

"Yi heon! Did you lock the door?" He asked all of a sudden.

"Yes," he lied. He won't get up and pause to see if the door is locked or closed. He needs to fuck his hole until it takes the shape of his cock.

"Then don't stop... don't stop! Harder."

He immediately pounded him as he wished. Balls deep. The sound of skin slapping together filling the room. Se Kyung's cries of pleasure. Yi Heon's grunts and groans. The hair in Yi Heon's shaft brushing against his hole. The tip of his cock hitting a spot inside of him. His dick leaking all over every time Yi Heon trusted.

"Ahhh... Se Kyung, I'm near!"

"Me too. Hmmm.."

Yi Heon picked him up easily, carried him facing him, and fucked him standing up as their final act. He really could fuck his hole and listen to Se Kyung's whimpers all day but he needs to fucking finish. "How would your Dad react if he knew I'm fucking his only son like this... huh?" Yi Heon thrusted deeper. "Nnggh." Se Kyung kissed him to shut him up Without warning, they both came. Se Kyung dripped all over, and Yi Heon's cock pulsated inside him and he felt full to the brim. They stood still like that until Yi Heon's cock got soft and went out of Se Kyung's hole. Everything dripping down.

They both dropped to the bed beside them, panting, chest going up and down heavily, sweaty and flushed all over. They never felt so high. Se Kyung just closed his eyes for a few seconds but when he opened it, the scene of Yi Heon's dick slowly rising up and gaining hardness was revealed.

He looked at Yi Heon with a shocked face, and he too was taken by a surprise. The stamina, the libido, the cardio and everything. They laughed in disbelief. And now, he's fully fucking hard again.

"Ah... so this is youth.",

Notes:

this is the longest smut i've ever wrote... and i didn't read it again cuz one thing abt me i will post the shameless smut without beta read or anything ^^

pls leave comment if u enjoyed it tho.

anyways im really not satisfied with the ending of the drama. and that witch lee mi kyung literally drugged and kidnapped people and all she got is a splash on the face. they should've at least pushed it to 10 episodes smh