—Not rated in Switzerland (CH)


Overview
Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."
Cast
54Open an episode for ages at its air date.

Hidetoshi NishijimaProfessor Shiro Sakaki
›
Somegoro IchikawaItaru Sakaki
›
Rie MiyazawaRumi Ichinose
›
Aoi ItoAnna Ichinose
›
Towa ArakiToru Shirase
›
Jyutaro YamanakaHikaru Akabane
›
Kodai KurosakiSho Ishioka
›
Leo MatsumotoAo Fukazawa
›
Ikuho AkiyaDai Kuroiwa
›
Jun MurakamiIchiro Sakaki
›
Yurina Tsubaki
›
Aoba KawaiKozue Sakaki
›Full cast · 54

Yura KimuraShiro Sakaki (young)
›
Yasushi FuchikamiDetective Narumi
›
Shunsuke TanakaDetective Katagiri
›
Miwako IchikawaSawako Ichinose
›
Hideaki MurataKimihiko Ichinose
›
Renwa SatoRumi Ichinose (young)
›
Mitsuyo TsukadaToru Shirase's grandmother
›
Kaori TakeshitaMieko (Dai Kuroiwa's fan)
›
Hina MichikitaHigh school student
›
Hinata ShimanukiHigh school student
›
Kokoro Inuzuka
›
Ryu Nakano
›- TMDB ID
- 298203 ↗
- First aired
- 2025-12-19
- Last aired
- 2025-12-19
- Status
- Ended
- Genres
- Drama, Mystery, Crime
- Creators
- Unknown
- Countries
- JP, US
- Languages
- Japanese
Family guidance
Age ratings
—Not rated in Spain (ES)
—Not rated in France (FR)
—Not rated in United States of America (US)
—Not rated in United Kingdom (GB)
Does the Dog Die?Community yes/no votes · series-wide
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Kids-In-MindEditorial 0–10 ratings
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All regional certifications (1)
NC16Singapore (SG)
No additional details available.

























