Mitsu's best friend Rio's mother, Tsubaki, is bisexual and divorced. Now she lives with Rio alone. As a single parent, Mitsu harbored feelings of disgust towards Tsubaki but was drawn to her deep affection. One day, when Mitsu stayed over at Rio's house, the proactive Tsubaki stole her lips. Late at night, realizing Mitsu's lesbian tendencies, Tsubaki inserted her fingers into Mitsu's fresh vagina while her daughter was asleep and drank the overflowing love juices…
