Her mother Yu divorced her husband because of domestic violence and raised her daughter Momoka single-handedly.Momoka has seen her father's domestic violence, which has made her phobia of men, and she can only love women.And her affection turned towards her mother, Yuu, who had worked so hard to raise her.One day Momoka invites her mother to a hot spring trip.Her ostensible reason was her gratitude to her mother, but she really was to confess her love to her mother.