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← Human Specimens

Miniseries

5 episodes · 19th December 2025

Season details

Details

Episode guide

Episodes

01 Episode 1 still Episode 1 Episode 119th December 2025 The bodies of young boys were found in six cases. Shiro Sakaki, a professor considered Japan's leading expert on butterflies, turns himself in. He has recorded everything in a report published on the Internet, from his motive to the process of his creation. The interrogation proceeds as if tracing his distorted record, leading to a sensational suspense story where beauty and madness intertwine. 02 Episode 2 still Episode 2 Episode 219th December 2025 Shiro starts to express his artistic viewpoint during interrogation. The art camp is canceled when Rumi falls ill. Shiro goes to the mountain to take the boys home. In the warehouse, there are six cases on display. Shiro feels emotional upheaval due to his expectations toward Itaru. As the detective investigates further, a big mystery arises, and the interrogation gets to the crux of his story. 03 Episode 3 still Episode 3 Episode 319th December 2025 After creating five specimens, Shiro's final target is his beloved son, Itaru. Despite the memories with Itaru, Shiro only sees his son as a butterfly. Shiro makes up his mind to create his last specimen. At last, the report named "Human Specimen by Shiro Sakaki" seems to have ended. However, the letters in the report start to get distorted, and the story shifts to a new perspective. 04 Episode 4 still Episode 4 Episode 419th December 2025 Itaru stays home while Shiro leaves for an observation survey of butterflies. Itaru stares at his father's specimens and invites his friends over. He starts recording his observations in his own report. When Shiro returns, they have dinner and share memories. Shiro opens his son's computer with a strange feeling about the specimens in his room.Three years later, Shiro receives a letter from Anna. 05 Episode 5 still Episode 5 Episode 519th December 2025 Anna seemed proud, but she longed for a successor while looking at her mother, in the spotlight for her art book. After the art camp is canceled, Anna invites the boys to the mountain house. She insists she made the Human Specimen. Shiro understands Itaru's hopes to become his father's specimen. The truth of Itaru's death and the mystery of Anna's confession will be unraveled.
Talent

Cast & Crew

01 Hidetoshi Nishijima profile Hidetoshi Nishijimaas Professor Shiro Sakaki 02 Somegoro Ichikawa profile Somegoro Ichikawaas Itaru Sakaki 03 Rie Miyazawa profile Rie Miyazawaas Rumi Ichinose 04 Aoi Ito profile Aoi Itoas Anna Ichinose 05 Towa Araki profile Towa Arakias Toru Shirase 06 Jyutaro Yamanaka profile Jyutaro Yamanakaas Hikaru Akabane 07 Kodai Kurosaki profile Kodai Kurosakias Sho Ishioka 08 Leo Matsumoto profile Leo Matsumotoas Ao Fukazawa 09 Ikuho Akiya profile Ikuho Akiyaas Dai Kuroiwa
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