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An Innocent sin

Summary:

Suguru is a very diligent man. Once he makes a decision, it can never change. And he has decided that he has to have you in his life, whatever it takes.

But he has other problems. Satoru is his best friend, and they have this ‘term’ between them about sharing everything. Apartment, clothes, food, even girlfriends. Only this time, Suguru doesn’t want to share you with anyone. Not even with Satoru. You’re not like the other girls. You’re special. And Suguru intends to keep you forever.

(I promise you it’ll get better with each chapter 🥺)

Notes:

For the first few chapters, the male characters here kinda has no morals, so PLEASE be aware of the tag.

But I can assure you, the story is developing. So please keep reading 🥺

Chapter 1: (Prologue)

Chapter Text

 

“I’m home!” Suguru muttered as he came home to his apartment around 10 pm. He was cursing lowly at how cold the weather was and quickly shut the door before the cold winter followed him inside. He sighed at the sudden change of temperature, relieved that the warmth of home was starting to swarm his freezing body. Still shivering, he took off his coat and some of the snow was falling off from his shoulder. His fingers were so cold he almost couldn’t feel them. He should have worn gloves, he thought regretfully, while hanging his coat beside Satoru’s gray ones. 

 

He walked to the living room where his roommate was laying on the rug, half of his body was inside the kotatsu. “Where have you been?” He lazily asked him without looking away from the weekly Shonen Jump he had been reading. “It’s blizzard outside all day.“ He added. Suguru joined him inside the kotatsu and hugged him, seeking for Satoru’s warmth. “Shit- you’re freezing!” Satoru jolted when Suguru’s cold palm touched his warm chest through his shirt. Suguru only responded with a hum. Satoru put down his comic and hugged him back. Squeezing his body and rubbing his forearm to warm him up. He cupped his cheeks and tilted his face so he could look at him. His cheeks were flushing red from the cold. Suguru sighed at the warmth of his palm touched his face. “Where. Have. You. Been?” Satoru asked again. Suguru replied with a giggle before he pressed his face back on his chest and snuggled with him. Satoru knitted his brows, confused at his roommate’s odd behavior. “Are you drunk?”

 

“Am not.” He answered shortly. Satoru knew he wouldn’t be lying about it, so he just gave up on pressuring him any further.

 

“Yeah? Well, whatever.” He said, if Suguru wanted to tell him, he would eventually. His hand was reaching out for the Shonen Jump again while his other hand was still rubbing Suguru’s shoulder who was still shivering from the cold. He opened the page where he was at, before Suguru came home and distracted him. Where was he again? His eyes were scanning through every panel of the comic. 

 

“Satoru... I think I’m falling in love.” 

 

Satoru closed the comic immediately and looked down at Suguru who was grinning at him happily. “No shit!” He raised his brows. He put down the comic and sat up. “Well, tell me!” 

 

Suguru whined at the loss contact of his warmth, but he stayed laying on his back. His face looked so peaceful, so content, thinking about you. “She is...” he thought for the right word to describe you. You are beautiful, indeed. Your smile was brighter than the sun that could warm up the entire galaxy. Your skin was glowing. Your eyes were dazzling, that could entrapped anybody with only one gaze. You’re a kindhearted person. You gave away your seat on the train to the people who didn’t even look like they needed it. Suguru loves it when you make an effort to pet every dog you pass by and baby-talked with them. He loves that you keep dog treats on your pink pastel purse, even though he knows you didn’t pet ones. And he loves it when you ask permission of the owner if it’s okay for you to give their dog treats. Your laugh was so contagious, that the uncle who sells takoyaki always offered to give you an extra, even though you always insisted to refuse him politely in the end. He loves that you always spend your free time reading your favorite romance novel at a coffee shop two blocks away from your apartment, where you always ordered the same beverage and pastries. And he absolutely loves that you always politely refused any guy who was trying to hit on you. You’re pure and-

 

“Well?” Satoru distracted him from his train of thoughts about you impatiently. 

 

“Innocent.” Suguru sighed happily. “She is innocent.” The word that fits you so well. 

 

“Oh?” Satoru rested his chin on his stomach. “So... when can I fuck her?” He grinned, wiggling his brows. Suguru narrowed his eyes and shot him a look.

 

“I think I’m going to keep her for myself this time.”  

 

Satoru rose up and blinked. “But- we share everything… Wait- holyshit! You really are falling in love with this girl!” 

 

“Mhm.”

 

“When did you meet her!? Is this why you’ve been going out a lot lately? Were you on dates with her?”

 

“Not exactly.”

 

“Hum? What do you mean?” Satoru’s question earned a sly grin from Suguru.

 

“Been following her lots” he admitted it so casually. And Satoru gasped dramatically as if it shocked him. 

 

“You creep!” He chuckled. “Have you talked to her at least?” 

 

Suguru nodded, “I offered to help her fix her broken sink. And she gets to keep me around because of the blizzard.”

 

“Hold on…” Satoru was squinting his eyes at him suspiciously. “Lemme guess, the reason why was her sink broken in the first place is 𝘆𝗼𝘂. Am I right?” Suguru chuckled and answered him with a proud nod. “You naughty!” He gave his knee a light smack. “How did you manage to get inside her apartment without her knowing anyway?” Suguru was only grinning at him, he refused to tell him that he has your keys which he stole from your purse a while ago. 

 

“I have my ways.” 

 

“So… Tell me, Mr. Plumber, what else happened other than 𝗳𝗶𝘅𝗶𝗻𝗴 𝗵𝗲𝗿 𝘀𝗶𝗻𝗸 during this blizzard.” Satoru rested his chin on his palm, excited to hear more of it.

 

Knowing what’s on his best friend’s mind, Suguru shot him a look again. “Cut that dirty thought of yours! She's nothing like that.” Satoru only gave him a long teasing hum as a response. “Nothing happened. She thanked me, made me a hot coco as a gratitude, and we just... talked. About this and that.” Suguru shrugged. “The blizzard still hasn’t stop, and she was too considerate to kick me out of her apartment, so she cooked dinner for two, and then we just chill watching movies.”

 

Suguru remembered when you politely asked him if he was okay with the movie you chose. Of course, it was a romance drama. Your dinner was getting cold because you were so focused on the movie. Suguru had to remind you to eat once in a while. Suguru was glad you picked that movie, because it has a sex scene on it. Your cheeks flushed, you curled your toes, you were fidgeting nervously and you were looking away the whole sex scene as if it was a sin to even look. That was when Suguru have a guess on his mind that perhaps you were 𝘂𝗻𝘁𝗮𝗶𝗻𝘁𝗲𝗱.

 

“I think… she might be a virgin.” He said. Or you could be just nervous that you had to watch the sex scene with a stranger in your apartment. 

 

Satoru’s eyes gleamed with excitement as he lowly whispered, “ooohhhhh niiiiice.”

 

“Mm…“ 𝗶𝗻𝗱𝗲𝗲𝗱. Suguru closed his eyes, fantasizing about you again, imagining you opened your door for him. You were wearing a white sundress. The fabric was so thin he could almost see your nipples through. You were taunting him with that goddamn smile of yours. You pulled his hand and made him sit on your couch. You sat on his lap, straddling him. He squeezed your thighs and groped your ass. Every gasp, every small noises you made was music to his ears. He groped your tits and kissed your neck. You arched back, moaning his name, causing a friction to his erection. Your cheeks flushed, and with a shaky breath you shyly begged him to do more. Suguru slides his hands up between your legs and touched your clothed pussy- 

 

“Do you have pictures of her?” Satoru's voice shattered his dirty thoughts about you. 

 

“No.” Suguru quickly answered him with an annoyed tone. He lied though. Of course he has pictures of you. He took lots of it. But he won’t show it to Satoru. At least not right now, not when his cock was having a half erection. So he took a deep breath and continued his fantasy. Where was he again? Oh, right. You gasped sharply when he rubbed your clit through your dampened panties with his thumb. He then tugged your panties to the side and slid his finger into your wet-

 

“You’re thinking about her naked right now, aren’t you?” 

 

Suguru sighed. “Satoru.” The tone was thick with a warning. But it only made the white haired man chuckle.

 

“Oh, come on, I could offer you some help.” He said with a teasing tone while putting his palm on the bulge on his jeans. Suguru made a small noise when he felt the friction, but he didn’t swat his hand away either. At this point he just wanted him to shut up, so he could focus on you. Satoru continued to rub his erection through his jeans and give it a light squeeze, only to find out that it was not his erection. “Wait- what is this?” It was something he had in his pocket. Satoru reached inside his pocket and pulled a crumpled of pink cloth. He raised his brows and whistled. “My, my...Suguru…” He splayed out the crumpled cloth that turned to be your panties which Suguru stole earlier from your dirty laundry bag when you weren’t looking. “You nasty creep!” Satoru teased, he put your panties on his nose and hummed delightfully when he sniffed out your scent. “My god, she smelled so fucking good.” 

 

“Oh, for fuck sake. Give me that.” Suguru growled and snatched your panties from him. Didn’t want your scent on it contaminated with Satoru’s. 

 

Satoru laughed and shook his head. “You still want my help on this?” He tapped the bulge on his jeans.

 

“Yeah, whatever. Just- be quiet about it.” Suguru gripped your panties and held it closer to his nose. 

 

“You got it, Mr. Plumber.” Satoru grinned widely. He unbuckled his pants and let his cock sprung out of his boxer. He stroked his shaft and gave him kitten licks here and there until his cock was fully erected. He teased him by licking along the side of his veins slowly. Up, and down, and up again, earning a heavy moan from Suguru. And then Satoru took him completely and started to bob his head up and down with his usual pace. 

 

“O-oH! Easy…” Suguru arched back and cursed. He will cum so soon if Satoru was keeping his pace like this. “S’toru... easy…” he jutted out his hips as a hint for him to slow down. And Satoru did slow down, taking him in like an expert that he was, until his chin was pressing on his balls. He did it with a very slow pace. “Fuck-“ Suguru cursed. He was starting to skipped breath. He closed his eyes, imagining that it was your mouth instead. He wondered if you have ever taken anyone’s cock into your mouth. No... No, no. That’s impossible. He regretted it for even questioning it. You are pure and innocent. And Suguru was the only one who will ruined you. His cock will be the first that entered your pretty lips. He was imagining you being so eager to make him feel good, but your inexperience made you have no knowledge of what to do. So Suguru will have to teach you a thing or two. “S’toru- i-it’s too good..” he said with raspy breath. Satoru was proud at the praise. Until… “Do it like this is your first time giving a blow job.” Satoru blinked, and then he rolled his eyes at his request. Yet, he still did it nonetheless, sucking him off like an amateur. He even fake gagging once in a while. It feels silly to downgrading his competency like this. But that feelings were soon dissolved when Suguru was moaning loudly. “Yeah... that’s it, baby...” Suguru just know that you will gagged, and choked, but Suguru won’t ever stop. Not even if those pretty eyes of yours were wet with tears as he forcefully shoved his cock against your throat, over and over again until he reached his climax. “OH! (Y/n)~ such a good girl for me... ” Suguru grabbed Satoru’s hair while his other hand still gripping on your undergarment. He started to bucked his hips against the back of his throat while moaning your name over and over again until his thrusts were getting more violent and abrupt. Satoru lets him take all the control. “O’oh! Fuck- fuUuUucK~ (y/n)... take my cum, baby girl… take it all…” He was grinding his hips against his mouth as he rode his cum, letting Satoru drink every last drop of it. 

 

Suguru was laying on his back, panting heavily. His head was still high from his orgasm, and all he could think about was you. About how you would look when your face was all messy with his cum. That’s a sight he was dying to see. “Phew… Thanks for the blowjob, Satoru.” 

 

“Thanks for the cum, been wanting some sweets after dinner.” Satoru wiped the cum left on the corner of his lips with the back of his hand before laying on his side beside Suguru. He propped himself with his elbow and looked at him. “So... her name is (y/n)?” 

 

Suguru opened his eyes to see Satoru’s smug face. He didn’t answer.

 

“Ah... (y/n)...” Satoru took your panties away from his hand now that Suguru loosened his grip, and then spread it on his own face. “That’ll be the name I’ll call when I jerk off tonight.” He said with a teasing tone while breathing in the scent of your undergarment. 

 

Suguru clucked his tongue and took the panties back. “Shut the fuck up.” He cursed, earning a chuckle from the white haired man.

 

“When can I meet her?”

 

“I’m not gonna let you meet her.” He scoffed, causing Satoru to booing at him. “At least not until she’s mine.” 

 

“But whyyyy??? I’m your best friend! Best friend can meet your other ‘friend’, you know?”

 

Right, ‘friend’. Suguru didn’t even know how you viewed him. He was just a guy who happened to be around when you needed urgent help to fix your broken sink. And you were obligated to keep him around for long because of the blizzard. He was so sure that you most definitely would not call that a friendship. 

 

“Not gonna happen.”

 

“But whyyyyyy?” Satoru kept whining.

 

“Because, Satoru…” Suguru just knew that once he met you, he would fall for you for sure. A sweet pure innocent girl like you? A douchebag like him will just do anything to have a taste of you. And just like Suguru, he has his way to make girls fall head over heels for him. Once you fall into his trap, he will greedily consume you, devour you, until he is satisfied. And once he gets bored, he will just easily leave you ruined. Suguru knew how much of an asshole he was. Satoru was his best friend after all. Sure, they have this ‘term’ between them about sharing everything. Apartment, clothes, food, even girlfriends. Only this time, Suguru didn’t want to share you with anyone. Not even with Satoru. You’re not like the other girls. You’re special. And Suguru intends to keep you forever. 

 

Suguru glared at his best friend who was still waiting for his reasons. “Because you’re a pig.”

 

Satoru’s gasp was sharp and loud. He pressed a palm on his chest dramatically as if the insult hurt him. “You’re the one who stalked her! You- you made this ruse about her broken sink to take advantage of her. You stole a piece of her goddamn dirty panties! And god knows what else creepy things you did to her. BUT I’M THE PIG!???”

 

“That’s right.” Suguru was grinning widely while closing his eyes, listening to Satoru whining about how unfair it was. He kept on, and on, and on, until he tired himself out and pouted when he didn’t get any more response from Suguru.

 

“When are you going to make a move on her again?” Satoru asked with an annoyed tone, but still curious about the girl who made his best friend fall head over heels in love with her.

 

Suguru hummed without even bother to look at him. His mind was busy scheming a plan for his next encounter with you. Your friendship with him needs to start somewhere. And it has to be perfect. 

 

Suguru was a very diligent man. Once he makes a decision, it can never change. And he had decided that he has to have you in his life, 𝘄𝗵𝗮𝘁𝗲𝘃𝗲𝗿 𝗶𝘁 𝘁𝗮𝗸𝗲𝘀…. 

 

“We’ll see about that...”