Casts
Yuko Sanpei
Butt Detective (voice)
Ayaka Saito
(voice)
Takahiro Sakurai
(voice)
Kenji Sugimura
(voice)
Tetsuhiro Ikeda
(voice)
Katsuyuki Konishi
(voice)
Makoto Nakamura
(voice)
Ikkei Watanabe
(voice)
Riisa Naka
(voice)
Kenjiro Tsuda
(voice)
Yuko Sanpei
Butt Detective (voice)
Ayaka Saito
(voice)
Takahiro Sakurai
(voice)
Kenji Sugimura
(voice)
Tetsuhiro Ikeda
(voice)
Katsuyuki Konishi
(voice)
Makoto Nakamura
(voice)
Ikkei Watanabe
(voice)
Riisa Naka
(voice)
Kenjiro Tsuda
(voice)
