Mikey(Manjiro Sano) oneshots

Omega!Mikey in heat💦

Warnings: omegaverse, reader is a female with a dick, anal penetration(male receiving), mentions of pregnancy

You and Mikey have been together for almost two years but you weren't mated yet. You are his strong alpha and he was your cute little omega. His heat was coming up and he was feeling tired so he stayed at home. There were no meetings this week so he can do everything he can to prepare for his heat. Unfortunately, you aren't home for most of the day as you have to go to school but you made sure to text him throughout the day to check on how he was doing. It was now a few minutes before lunchtime. Bored and tired from the long lecture you just wanted this stupid class to finish. You have been secretly texting Manjiro during class but he wasn't responding so you were getting worried."Hey,  y/n are you good?!?" You immediately snapped out of your daydream from your friend's whisper shout. "Y/n are you ok?" " Yeah I'm good don't worry about it" you answered. "Well I'm thinking about going to the arcade after school and I was wondering if you wanted to come too. Do you want to?" They asked. "Sorry I can't today. I gotta take care of Mikey" "Oh his heat is already coming up? Are you thinking of marking him?😏" they teased. "Uh-" riiiiinnngg! "I'm actually gonna check on Mikey now, see ya later!" You ran off. Your first thought was to immediately go to Mikey's house. As soon as you unlocked the door, you were met with an extremely sweet and hypnotizing smell. His pheromones. It seems that his heat has started early. As you went closer to his room, the smell got stronger and stronger, making it harder for you to not burst his door open and fuck him right there. "Mikey? Are you okay?" You called out from the other side of the door. "Yeah, m'fine- aah~ my heat just started a bit earlier th-that's all~" "Can I open the door?" You asked. "Y-yes please" As you pushed the door open, you were met with an arousing sight of Manjiro naked, legs wide open, and shoving a dildo in and out his sloppy hole. "H-hi y/nnn~" he moaned out. His nest was all messy, the room was hot, and Mikey looked beautiful. His body was glistening with sweat as his sweet pheromones fill up your senses. "Alphaaaa, I need your help, need your big cock in my ass ooooh~" he took the dildo out of him and layed there spreading his legs wide open, displaying his twitching hole to you. You barely hesitated as you went towards him, picked him up, and placed him on your lap. The slick from his asshole was pouring out endlessly, wetting your pants. He started humping your leg looking so hot and desperate, which only made you hornier. You smashed your lips onto his, making out with him already. You let out your pheromones, which only made him more submissive than he already was. "M'gonna take great care of you my omega wanna fill you up with my pups" you groaned. "Mmmffph please do~" you then set him down his nest to take off your clothes. By the time you were done he was already moving around in impatience waiting for you to touch him again. You to went to him and pushed his legs up. Lining your length to his hole as you pushed in with ease. "F-fuuucckk!" He screamed out. You thrust faster and faster, with the feeling of pleasure taking over you. Mikey was moaning so loud and chanting out almost incoherent sentences. "Y/n mark me!" He tilted his head showing you his neck. You immediately bit his neck as he let out a satisfied moan. He soon marked you back with his small fangs. You were still thrusting inside him at a godly pace. "I-I'm close y/n mmh!-can I cum?" "Go ahead baby boy"  "aaaaahhhhh!" he screamed as cum squirts out of his small cock. You came after a few seconds too but unfortunately had to pull out as it's not the right time for him to get pregnant. "...Sorry baby I can't give you pups, we're too young" "....o-ok I understand..." Mikey said with tears in his eyes. He knows you're right but it's still really hard for him to accept that. He was just extra sensitive to this during his heat. You pressed kisses all over his face reassuring him that you'll give him as many pups as he wants when you both grow up. On the bright side, you were both officially mated and you were really happy about that. The rest of his heat consisted of you two cuddling in his nest, fucking him some more, and scenting each other.

*time skip to the next gang meeting

The members were hit with a mix of two scents coming off Mikey. One of them being his and the other an alpha's. The ones who were in front could see a mating mark just right above his scent gland. They know not to say anything as they don't want Mikey getting angry.

*the next day

Mikey, Draken, and baji were talking outside of your school. "So y/n finally mated you huh?" Draken teased. "Uh-huh, She fucked me real nice and good. Made me scream her name too" Mikey snapped back. "Ugh, too much information ew. But was her dick big tho?" Baji asked. "Yeahhh it filled me up so well~" "Hi guys, what're you talking about?" You asked while walking towards them. "N-nothing," they all said with a blush across their faces. You knew exactly what they were talking about.