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Release Date: 19 Fri, Dec 2025
Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."
5 Episodes
as Professor Shiro Sakaki
as Itaru Sakaki
as Rumi Ichinose
as Anna Ichinose
as Toru Shirase
as Hikaru Akabane
as Sho Ishioka
as Ao Fukazawa
as Dai Kuroiwa
2019
1975
2021
2026
1973
2021
2021
2018
2018
2024
2018
2012
2021
