Dakara Boku wa, H ga Dekinai. Mie Sugi! Mizugi Contest

だから僕は、Ｈができない 。 見えすぎ! 水着コンテスト

With their school's pool opening the next day, Iria schemes up the idea to hold a swimsuit contest. With Lisara, Mina, Quele, and Iria herself all participating in the event.