It was about a boy (white hair) whose father died,and a friend of that father (a teacher from this boy school) is moving in,to take care of him.
it seems that the teacher was in love with this boy's father, but later on he develops feelings for this kid he's taking care of.
please,help me finmd this.I read it several times but i can't remember the title!

MMmmm Oni ni Hatsujou? XD

"I exist, that is all, and I find it nauseating" -Sartre

THANK YOU SO MUCH! I thought I'll never find it