Hitozuma no jikan: Otto igai to neru toki

人妻のじかん 夫以外と寝る時 (original title)

Synopsis

Nahoko is dissatisfied with her husband, who returns home late every night, yet she cannot bring herself to divorce him. One night, her husband brings home Tamotsu, a former university classmate. Nahoko becomes intrigued by Tamotsu upon learning he is a struggling screenwriter...