Shota Sometani
Chihiro
Kiyohiko Shibukawa
Togo
Hoshi Ishida
Naoya
Natsumi Seto
Satomi
Ayumi Mizukoshi
Azusa
Osamu Jareo
Mr. Kondo
Toshiki Fujikawa
Male Detective
Eita Okuno
River Office Staff
Ogawa Takeru
River Office Staff
M
MIKE
River Office Staff
R
RIO
River Office Staff
T
Takahiko Hisa
River Office Staff
H
Hikozo Niibori
River Office Staff
Aoba Kawai
Female Detective
Jun Murakami
Moto