Ibuki, Ayame, Chihaya, Kagome, Yoichi, Angela, Tsubasa and Ibuki's four students meet up at an empty beach after winning a lottery ticket. Yoichi arrives on the beach wearing a
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Ibuki, Ayame, Chihaya, Kagome, Yoichi, Angela, Tsubasa and Ibuki's four students meet up at an empty beach after winning a lottery ticket. Yoichi arrives on the beach wearing a loincloth. Ibuki persuades him to wear swimming trunks. Two siblings, students of Saginomiya's Steering Techniques are assigned to defeat Yoichi. One of the brothers release a trained bird to attack the gang, which causes Yoichi to embarass everyone. Everyone goes into the water to play with the exception of Kagome. When Ibuki questions her, Kagome runs into the forest. Masashi-kun follows Kagome in pursuit. Kagome falls down a cave and breaks her fall by landing on top of Masashi-kun, who earns himself a bruise. Kagome tells Masashi to close his eyes and she dresses his injury with cloth. After a while, the rest of the gang searches for Kagome and Masashi-kun. Meanwhile, Masashi-kun and Kagome rushes out an exit to the cave only to find out that it leads to a ledge on a cliffface. Masashi-kun falls and manages to grab on to a tree branch but soon relinquishes his grip. The gang catches up to Kagome and Yoichi dives into the water to save Masashi. At that moment, the two brothers greet the gang on surfboards, and they challenge Yoichi to fight. Angela throws Yoichi a bokken, which lands away from Yoichi, and Chihaya throws Yoichi a life ring. Kagome dives in the water to save Mashashi-kun and throw the bokken to land in Yoichi's hand. Yoichi defeats the brothers with his swordplay. It is revealed that Kagome's refusal to participate in water activities is due to her embarrassment about her budding breasts. She continues to bind them with cloth.
