Tomoka Akari, a lesbian office lady who loves straight women, encounters Yukari, a notorious public masturbator, in front of a park on her way home from work. Akari, who is sexually frustrated, approaches Yukari and they engage in their first lesbian supporting sex. Yukari, who is experiencing lesbianism for the first time, gets overwhelmed by Akari's signature fast nipple play. To fulfill Akari's request for service, she endures intense nipple stimulation honed from her public masturbation experience, her face contorting in pleasure as she climaxes repeatedly. With each encounter, the two of them descend deeper into an abnormal lesbian world of pleasure!