圭吾的情妇是 22 岁的美智子，他对每周三天的会议感到不满，最终将美智子带到了他家。妻子里美心中沉睡的背叛欲望终于因丈夫的异常而爆发，如水坝般决堤而出，最终化为“双婚”策略，远远超出了丈夫的不忠……
Kaori Asô
Satomi Kajiwara
Rena Kuroki
Michiko Satô
Kazunori Nobuzane
Keigo Kajiwara
Eiichi Sato
Kansai Eto
Real estate agent
Kazunari Hosaka
Satohiro Sakai
TV Announcer
Kazuhiko Kishino
Tokuyoshi Umehara
Policeman
Nobuyuki Nishihara
Detective
