Mana of Bird Five is a lesbian, and due to a certain incident, her best friend Reiko joins the same team as a member. However, their archenemy Ururihi takes Reiko's father hostage using underhanded tactics and lures them to their hideout. With her father held captive, Reiko is rendered powerless and captured. In truth, Ururihi is also a lesbian, and she begins turning Reiko into one as well. Bound to a torture rack, Reiko is forced onto all fours and subjected to intense lesbian training focused on her most intimate areas, gradually shaking her mind and emotions. Eventually flipped onto her back, her signature mask is ripped off, and a slow, deep, passionate kiss begins to unravel Reiko's heart completely.