Kingly

Hear me out! DARKISH THEMED INCEST SHOTACON CHILD ABUSE Happy ending. Masaru Had a first wife but she died After giving birth to Izuku. He remarried 2 years later when his girlfriend got pregnant. Katsuki was born. Masaru SA Izuku because he missed his first wife and would get drunk forgetting what and where he is. Izuku Itches for dominance. Needs some kind of control in his life. secretly Katsuki finds him trying to scratch that itch. Curious about what his big brother is doing, cus you know, he looks up to and loves his big brother. It feels strange and uncomfortable. Katsuki watch's his brother more. He hates it when his big brother gets frustrated and cries. So 10 year old Katsuki starts to look things up on his electronic devices. Determined to help his big brother Katsuki starts 'practicing' what the video told him. It feels strange at first. But there's this button-like thing inside him that makes him feel super good. Katsuki comes across Izuku being sa'ed by their dad. Katsuki watches until everything is done and their dad has left. Izuku lays on his back panting, his arm over his eyes, his 'dick' still big, as tears of frustration roll down his face. Katsuki takes this as his chance and climbs onto the bed surprising Izuku. The older boy just watches as Katsuki takes some of their dads spent and starts spreading himself open while he leans over Izuku. Izuku can't believe his eyes, but the moment that warm heat is wrapped around him, his whole world shifts. Katsuki feels good when he's with his brother. He loves the feeling of being full, and his brother's mouth afterwords to make him 'cum too' feels good. He gets addicted. When Katsuki is 13 Izuku suddenly stops. His door is locked at night, and the older boy avoids being alone with him. Then there's this girl coming over all the time. When he hears the two of them, his heart breaks, and his mind cracks a little. Katsuki lashes out. His parents are confused and don't understand. They try to get him help. It seems to work... at first. Or at least they think it does. In reality the moment his 'help' learned about his addiction, his 'help' turned into the wrong kind of help. The help always felt wrong though. His mind cracked a little more. Katsuki's left home alone for the day. His big brothers girlfriend comes over, not realizing Izuku isn't there. In a moment of 'Everything was fine until you showed up' Katsuki kills her. His parents and big brother come home to find the small boy curled up a few feet away from the body. He apologizes over and over, but Izuku want's none of it. Their parents try to comfort Katsuki, as they talk about what to do. They dispose of the body. Katsuki breaks a little more. The 'help' isn't working anymore. When Izuku is 15 1/2 he gets his permit and is asked to take Katsuki to 'help'. Once in 'Help' Katsuki just cant take it anymore. His life was upside down everything he wanted and held close wanted nothing to do with him. The only one who wanted him was the 'help' and the 'help' was getting meaner and meaner. When Katsuki starts to fight the 'help' the 'help' gets more excited and things get harder. Izuku notices how tired His little brother is after every 'help'. He becomes more and more concerned. Because no matter what Katsuki has done, he is still his little brother and he will always love him. Katsuki comes out of 'help' looking pale, his eyes puffy from crying and his walk is off. When they get home and Katsuki gets out of the car, there's blood on the seat. Izuku follows Katsuki asking him what happened and if he was okay. Katsuki lashes out and tells him to fuck off. When Katsuki 14 the 'help' almost kills him. Izuku stops the man. Katsuki is no longer taken to 'help' He need and withdraws from his addiction start to set in and drives him crazy. He's 15 when the bought addictions stops working and he corners Izuku. There's yelling, fighting, then angry sex. Katsuki almost becomes another person after that. It's like nothing had ever happened. He was just a happy normal teen. When his mood started to taper off and he started to struggle with his own mental problems he went back to Izuku. Of course there's more fight. The happens until Izuku is 18 and says he's moving out. Katsuki is devastated, but there's nothing he can do to stop him. Katsuki goes to a new school. Katsuki makes friends. Katsuki gets a job. Katsuki moves in with said friends at 18. Katsuki is 22 when his father gets sick and he has to return home to take care of his mother. 24 year old Izuku returns after his dad passes to be a the funeral. Izuku's grown huge. Izuku stays with Katsuki and Mitsuki for a few days. Katsuki's friends come over and introduce themselves. Katsuki's friends stay the night. Izuku stumbles upon them. Izuku confronts Katsuki when his friends leave. Katsuki blames Izuku. Izuku says what they did was wrong. Katsuki says his love isn't wrong then storms off. Mitsuki approaches Izuku. She knew. She was why Masaru stopped when katsuki and Izuku started. She confesses to being the reason he's dead. She apologizes for not stopping it sooner. Izuku confesses his 'unnatural' feelings for Katsuki. She laughs and tells him it's not unnatural and explains some things. Izuku goes to Katsuki. They argue. They fight. They aggressively have sex. Katsuki cries because he feels at peace again after so long. Izuku confesses his love. Katsuki returns love. Havent decided if this'll be omegaverse or not. If yes there will probably be more too it.