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

Itaru Sakaki

Rumi Ichinose

Anna Ichinose

Toru Shirase

Hikaru Akabane

Sho Ishioka

Ao Fukazawa

Dai Kuroiwa
