As the cultural festival comes up, Natsuru is shocked to find that Shizuku has entered him into the Miss Seitetsu beauty contest. Natsuru gives Shizuku a shoulder massage in order to be replaced, but after Akane bursts firing her gun, the deal falls apart and Natsuru is still forced to compete. Deciding to go with a karaoke act, he (in Kampfer form) and Akane go shopping for lingerie, though it gets out of hand when Shizuku decides to help out too. Kaede later joins them at the karaoke bar, where she, Akane and Shizuku compete for the chance to sing a duet with Natsuru...