High school student Kei Nagai is killed in a traffic accident, but immediately revives to learn that he may not be human at all.
Unfortunately for Kei, the manhunt is on and he will soon be caught within a conflict between mankind and other Demi-Humans as they prepare to fight for global supremacy..
Scared, he runs away, and is aided in his escape from society by his friend Kai.
Instead, he may be a Demi-Human, a mysterious 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 human at all