Mr. Moriaki tries to help Hotori with her remedial math class by comparing it to detective work with mixed results.
Chiaki Omigawa
Hotori Arashiyama (voice)
Rieka Yazawa
Futaba Kon (voice)
Aoi Yuki
Toshiko Tatsuno (voice)
Takahiro Sakurai
Uki Isohata (voice)
Miyu Matsuki
Josephine / Yukimi Arashiyama (voice)
Miyu Irino
Hiroyuki Sanada (voice)
Satsuki Yukino
Kameidou Shizuka
Tomokazu Sugita
Natsuhiko Moriaki (voice)
Ryoko Shiraishi
Harue Haribara (voice)
Emiri Kato
Eri Isezaki (voice)
Eri Sendai
Yukiko Arashiyama (voice)
Hiroshi Naka
Zenji Isohata (voice)
Mutsumi Tamura
Takeru Arashiyama (voice)
Nobuaki Kanemitsu
Takanori Kikuchi (voice)
Shigeru Chiba
Shunsaku Matsuda (voice)
Takaya Kuroda
Yuji Sanada (voice)
Toshiharu Sakurai
Kazutoyo Arai (voice)
Yoji Ueda
Narrator (voice)
Yuki Ono
Ayumu Arashiyama (voice)
