For high schooler Kei—and for at least forty-six others—immortality comes as the nastiest surprise ever.
Sadly for Kei, such a feat doesn't make him a superhero. In the eyes of both the general public and governments, he's a rare specimen who needs to be hunted down and handed over to scientists to be experimented on for life—a demi-human who must die a thousand deaths for the benefit of humanity.+ More
Characters & Voice Actors >>>

Nagai, Kei
Main
Kotobuki, Takeshi
Supporting
Nakamura, Shinya
Supporting
Satou
Supporting
Tosaki, Yuu
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