Human Specimens
Professor Shiro Sakaki, a butterfly researcher, confesses to turning six young boys, including his own son Itaru, into "human specimens."
Musim (Season)
Pemeran
Hidetoshi Nishijima
Professor Shiro Sakaki
Somegoro Ichikawa
Itaru Sakaki
Rie Miyazawa
Rumi Ichinose
Aoi Ito
Anna Ichinose
Towa Araki
Toru Shirase
Jyutaro Yamanaka
Hikaru Akabane
Kodai Kurosaki
Sho Ishioka
Leo Matsumoto
Ao Fukazawa
Ikuho Akiya
Dai Kuroiwa
Jun Murakami
Ichiro Sakaki
Aoba Kawai
Kozue Sakaki
Miwako Ichikawa
Sawako Ichinose
Hideaki Murata
Kimihiko Ichinose
Yurina Tsubaki
Yura Kimura
Shiro Sakaki (young)
Renwa Sato
Rumi Ichinose (young)
Yasushi Fuchikami
Detective Narumi
Shunsuke Tanaka
Detective Katagiri
Mitsuyo Tsukada
Toru Shirase's grandmother
Kaori Takeshita
Mieko (Dai Kuroiwa's fan)