日本で最初に亜人認定された「中村慎也」が主人公。
本編から離れた非戦闘時における登場人物の行状を若干コミカルに描く。
「フォックス」と呼ばれていた時代の佐藤が主人公。
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.
