A high school student discovers he is an Ajin, a demi-human being. He ends up a fugitive on the run because of his powers.

17 years ago, immortals first appeared on the battlefields of Africa. Later, rare, unknown new immortal lifeforms began appearing among humans, and they became known as "Ajin" (demi-humans). Just before summer vacation, a Japanese high school student is instantly killed in a traffic accident on his way home from school. However, he is revived, and a price is placed on his head. Thus begins a boy's life on the run from all of humankind.—animenewsnetwork.com

A freak accident reveals to young Kei Nagai that he is more than your average teenager. After being ran over by a truck, Kei is brought back to life by a mysterious substance known as Invisible Black Matter. He is now an "Ajin", or demi-human, one of very few immortal beings in existence. With no one to turn to but a childhood friend, Kei must fight for survival not only for himself but for the fate of innocent humans threatened by an evil Ajin known as Mr. Sato, the Soldier of God. Under constant hunt from government specialists, bounty hunters, and other Ajin--Kei will discover the depths of his hidden strength, and what it truly means to be a human being in the face of terrifying and insurmountable odds.—Geoff Howard