Shu x Reader - New Love

you've been a Demon/Vampire/Werewolf/Etc. killer since you were 12. Finally All monsters and Humans can peacefully live together. Will almost every human you still fight monsters at school you don't kill them now but you beat them up badly. So your mother decides it's better if you went to live with some monsters you would warm up to them. You hate it Until you meet Shu Sakamaki. Will you and Shu be able to live happily ever after or will someone stop this happily ever after????(lemons)