A story of women caught in a whirlwind of new love and desire. Aimi becomes a sister to Chiaki through her mother's remarriage, despite having no blood relation. However, this older sister, Chiaki, turns out to be someone who enjoys relationships with women. Their days together lead into a sweet yet painful adolescence. In the second episode, Kyoka Suzune—someone with plenty of experience getting dumped—steps into unknown pleasure through a new encounter. Through two women, she discovers the allure of the female body and passion, experiencing sensations entirely new to her. As cat and tachi roles intertwine, the deeply hidden pleasures between women unfold. The latest installment in the series arrives!