Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."
2025-12-19
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
2025
