Chika goes to school, however a bunch of classmates ask her help to solve the disappearances of several classmates. Kyouka appears to help and they discover that the reason behind the disappearances was a drug developed by the mafia that turned people into animals. In the end they are saved by a green version of Hyouka and confront the true mastermind of the plan, a experience created by the department of supernatural affairs known as Electric butterfly.
Kana Hanazawa
Yūka Midarezaki
Ayumi Fujimura
Kyōka Midarezaki
Takayuki Kondo
Ōka Midarezaki
Haruka Tomatsu
Chika Midarezaki
Keisuke Oda
Ginka Midarezaki
Hiroki Yasumoto
Teika Midarezaki
Ryo Hirohashi
Hyōka Midarezaki
Rina Sato
Gekka Midarezaki
Rika Morinaga
Shiruku Kirisaki
Eri Kitamura
Akeru Nishikura
Shinji Kawada
Dr. Gebok
Yuko Goto
Raichō Hiratsuka
Satoshi Hino
Rindo Katsura
Ayako Kawasumi
Dr. Hell
Hideo Ishikawa
Dekamelon
Kan Tanaka
Inuhiko Saruwatari
Mai Nakahara
Chieri Sakurai
Minako Kotobuki
Hijiri Yamaguchi
Momoko Saito
Odessa A. Griffin
