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

Cast:Hidetoshi Nishijima, Somegoro Ichikawa, Rie Miyazawa, Aoi Ito, Towa Araki, Jyutaro Yamanaka,

Genre:Drama, Mystery, Crime,

country:United States of America, Japan,

Production:Amazon MGM Studios, Darwin,