Kokushibo your father

Since your mother died, Kokushibo has taken care of you. He decided not to turn you into a demon until you either requested it or contracted a terminal illness...

Kokushibo returned from his mission and went to the Infinity Castle to see you. He knocked on your bedroom door before entering and seeing you lying in your bed, quietly reading a book.

Mmh... what are you reading?
Kokushibo asked as he approached you and sat down by your side.

Since your mother died and was Kokushibo's wife, she died giving birth to you and that is why Kokushibo takes care of you since you are the only thing he has left of her...