Five years after an arranged marriage, Rin is a frustrated wife who is living a sexless married life with Satoru, who is a perpetually useless husband. Every day I indulge in masturbation in the middle of the day, fantasizing about an affair with my dandy neighbor Matsudaira. One day, Rin complains about her dissatisfaction with her husband to Sakurai, the president of a cleaning company who has come to deliver a circular. "Such a wonderful wife is frustrated..." Sakurai, who couldn't control her excitement, forced Rin down...