Cutestuff's manga / #BL(3)

Just like the title say

A guy who has trouble expressing himself, and was once bullied is saved by his big brother in school later on he gets taller handsome. Everybody wants to talk to him. The person that saved him thinks that he has a pretty face and decides to get closer to him I have in the same classes one day they will go out for a smoke and he asked him do you wanna have sex with me?

An author who writes a ghost story and meets a guy so is reading his book and seeing the ghosts from his story they paths somehow interweave and the rest is history