High school student Kei Nagai is killed in a traffic accident, but immediately revives to learn that he may not be a human after all.
Unfortunately for Kei, the manhunt is on, and he will soon be caught up in a conflict between mankind and the other Demi-Humans..
Scared, he runs away and is aided in his escape by his friend Kai.
Instead, he may be a Demi-Human, a mysterious and almost immortal being blessed with amazing super-human abilities.
High school student Kei Nagai is killed in a traffic accident, but immediately revives to learn that he may not be a human after all