Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."
1 Season
StatusEnded
First Aired2025-12-19
Last Aired2025-12-19
MusicYaffle
NetworkPrime Video
Seasons1
Episodes5
Where to Watch
Stream
Streaming availability for US region, via JustWatch.
