While walking down the street, Nana reunites with her former teacher. With her husband coming home late, she invites her old mentor to her house to celebrate her birthday. However, the once-respected teacher has now become a dominant male, and suddenly attacks Nana. The intense shock of that moment and the emotional turmoil tearing through her heart feel overwhelmingly real. Watch as Hayashibara Nana portrays the eroticism and inner conflict of an unfaithful wife, stirring the emotions of every viewer.