Kyosuke, Madoka, Hiraku & friend go on a vacation to the beach, staying in 2 cabins, boys in one, girls in another. It's basically Kyosuke & Madoka get together, & Hiraku flirts with the blond guy friend. Then, Kyosuke & Madoka go night swimming with dangerous results.
日比野朱里
as Hikaru (voice)
山田栄子
as Yūsaku (voice)
島津冴子
as Madoka (voice)
水島裕
as Kyōsuke (voice)
三田ゆう子
as Kazuya (voice)
