Young kikatan Hirose Umi wishes to experience even more loving lesbian play and greater pleasure, and she's guided into the world of lesbianism by Nozomi Hazuki, who claims she wants to kiss so passionately it makes her wet, and Yui Hatano, who has real-life experience with heterosexual relationships. The two carefully teach her the joys and techniques of lesbian intimacy, revealing how lesbian sex resonates more deeply with the heart and body than heterosexual sex. A must-watch for those who want to understand lesbianism on a deeper level and feel it more intensely.