"Playful Violence" (Fem Yandere X Childish Male Reader)

(Y/N) (L/N) is a guy in college. he suffered a severe head injury as a child that stopped him from maturing. so he's like a child in a grown man's body. since then no one would talk to him unless they're bullying him. but one girl fell for his cuteness and innocence. would stop at nothing to get it