Human Specimens

December 19, 2025•1 season•5 episodes•★ 6.0•Ended

DramaMysteryCrime

Prime Video

Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."

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Hidetoshi Nishijima

Professor Shiro Sakaki

Somegoro Ichikawa

Itaru Sakaki

Rie Miyazawa

Rumi Ichinose

Aoi Ito

Anna Ichinose

Towa Araki

Toru Shirase

Jyutaro Yamanaka

Hikaru Akabane

Kodai Kurosaki

Sho Ishioka

Leo Matsumoto

Ao Fukazawa

Ikuho Akiya

Dai Kuroiwa