Ep. 3: Iori and Kohei face costume objections while preparing for the Izu Spring Festival pageants.

Shinji and Ryujiro force Iori and Kohei into the Male Pageant at the Izu Spring Festival to fund their club, ignoring their complaints about the required outfits. Iori then experiences deep-sea diving for the first time under Ryujiro’s supervision and shares his excitement with Chisa. The following morning, he wakes up beside a half-naked woman identified as Azusa, whom the others do not view as a traditional woman. Meanwhile, Iori and Kohei attempt to train for Okonomiyaki while secretly trying to get Chisa drunk to enter the Women's Pageant, thereby avoiding their own participation. Their plan fails, leading Azusa to expose their true intentions. She later defeats the boys in strip rock-paper-scissors and persuades Chisa to join the contest. Consequently, Shinji and Ryujiro announce that Chisa will enter the Women's Pageant only if Iori and Kohei also compete in the Men's Pageant.

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