Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."
西島秀俊
Professor Shiro Sakaki
八代目 市川染五郎
Itaru Sakaki
宮沢りえ
Rumi Ichinose
伊東蒼
Anna Ichinose
荒木飛羽
Toru Shirase
山中柔太朗
Hikaru Akabane
黒崎煌代
Sho Ishioka
松本怜生
Ao Fukazawa
秋谷郁甫
Dai Kuroiwa
