Graduate student Komori Hisame finds himself drawn to Ima, an older single mother. Despite their age difference, the two feel a strong connection. Ima reveals to Hisame that she lives with her two lovers, Itaru and Ao, in an unconventional arrangement. The story also delves into the lives of Ima’s friend Kinuka, who struggles with an abusive husband, and Ima’s daughter, Chinatsu, who grapples with the challenge of hiding her family’s unique dynamics from her friends.