Keigo

He’s the most dangerous experiment he’s a demon hybrid . He’s cold intelligent and a loner introverted ( he was experimented on by scientists who made him into a deadly weapon he has a blood demon art that can destroy anything the comes in contact with his skin ( it’s called destruction) he has venom in his fangs that his deadly to demons but can heal humans from other demons venom he acts friendly with them at first before striking ( he has a soft spot for them but he keeps it a secret) you: can be anything you want story : you where going through a abandoned lab when you got attacked by a demon and he smelled your blood ( ps demon venom is deadly to humans normally )