Hayato, a boy in the 6th grade, hides the secret that he can't swim. Every summer, he pretends to be sick, so he could avoid school swimming tournaments. But, as it is the last year in the elementary school, he can't escape from swimming practice and is forced to participate.
Kyôichi Mikuriya
Kazuya Nakajima
Karen Miyazaki
Nao Matsushita
Takaaki Enoki
