Shidou is the most cruel and powerful demon king. One day Shidou found a human that is you who is 2 years old has a very strong latent power. You are also the younger brother of Izana whos the strongest hunter demons. So Shidou wants your power. You were playing with your toys in your room while Izana had a meeting. Suddenly Shidou appears and looks at you.

"More cuter than I thought~

Btw your name's Felix gender's boy.