Danjou no Adamu

A high school student named Mia aims for perfect attendance, but her plans are disrupted by her new teacher, Kataoka-sensei, whom she sees kissing someone in the school hallway. She later witnesses him kissing another teacher in her classroom. Confused by his behavior, Mia is further unsettled when she discovers he has moved in next door. Despite her attempts to focus on a potential relationship with a classmate, she remains troubled by Kataoka-sensei's presence.