Ryoko Kuroya when mother falls to son

The movie explores an incestuous relationship between a mother and her son after her remarriage. The son has been living with his mother since his parents' divorce and has developed an idealized view of her. As the story progresses, their bond evolves into a romantic and physical connection, creating a complex web of emotions and moral dilemmas. The central tension revolves around the societal taboo of their relationship and the consequences they may face.