Ep. 1: Amuro Ninagawa arrives with a live shark, startling Momoko Orizuka and Kaname Okiura on the beach.

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Momoko Orizuka and Kaname Okiura relax on the beach when Amuro Ninagawa arrives on a houseboat holding a 3-foot-long (0.91 m) shark. Amuro offers the shark to Momoko, who refuses because she dislikes dead sharks. Amuro clarifies the shark is alive, causing it to spring to life and attempt to bite Momoko, which results in tearing off her swimsuit top. Amuro then dives into the ocean and vanishes, only to reappear some distance away in the water within seconds. This feat impresses the onlookers, particularly Momoko, establishing the initial interaction between the characters and the setting.