Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."
| Title | Human Specimens |
|---|---|
| Year | 2025 |
| Genre | Drama, Mystery, Crime |
| Country | United States of America, Japan |
| Studio | Prime Video |
| Cast | Hidetoshi Nishijima, Somegoro Ichikawa, Rie Miyazawa, Aoi Ito, Towa Araki, Jyutaro Yamanaka |
| Crew | Asami Kiyokawa (Art Direction), Kanae Minato (Novel), Yaffle (Original Music Composer), Atsuhiro Nabeshima (Director of Photography), Rikimaru Sakuragi (Original Music Composer) |
| Alternative Titles | Ningen Hyōhon |
| Keyword | based on novel or book, butterfly, psychological, thriller |
| First Air Date | Dec 19, 2025 |
| Last Air date | Dec 19, 2025 |
| Season | 1 Season |
| Episode | 5 Episode |
| Runtime | 26:14 minutes |
| Quality | HD |
| IMDb: | 6.00/ 10 by 3.00 users |
| Popularity | 3.6894 |
| Language | Japanese |
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