Tsubaki, Mitsuha's best friend Rio's mother, divorced because of her bisexuality and is now living with Rio alone. Mitsuha, who is a single parent, had a feeling of disgust towards Tsubaki, but she is drawn to her deep affection. One day, Mitsuha, who stayed at Rio's house, has her lips taken by the proactive Tsubaki. Late at night, Tsubaki, who noticed Mitsuha's lesbianism, sticks her finger into Mitsuha's fresh pussy while her daughter is sleeping, and gulps down the overflowing love juice…
