Naomi Nishida, Naoki Tanaka, Kazato Tomizawa, Takahiro Yokokawa, Keiichi Hara, Masao Kogure, Yuichi Watanabe

Kappa no Kû to natsuyasumi is a movie starring Kazato Tomizawa, Takahiro Yokokawa, and Naoki Tanaka. Kôichi Uehara is a fourth grade student living in Higashikurume City, a suburb of Tokyo. One day he picks up what he thinks to be a...