[Ten Hasumi first lesbian experience x Mai Hanakari first full-blown lesbian experience] Mai has been the victim of underwear theft every day. She is filled with fear, anxiety, and embarrassment, but she consults with her best friend Ten to calm her nerves. Then, one day, Mai finally succeeds in capturing an underwear thief on camera. However, the image she sees is that of her best friend Ten... Their dazzling and precious relationship falls apart, and her best friend, who has become a panty maniac, explodes with the repressed desires she has been holding back, attacking Mai's body!