Kenzaki Motoharu has been married for five years. Throughout these five years, he has been receiving stress from his boss and wife, Mio. Motoharu begin to wonder why he ended up marrying with Mio. While showing dissatisfaction and regret with his married life, he suddenly slipped back in time and witnessed his wife getting replaced.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.