| A heart-warming and award-winning animated film.
Koichi Uehara is a fourth grade student living in the suburb of Tokyo. One day, he picks up a large stone which turns out to be a fossil of a baby Kappa (Japanese mythical water creature) sleeping underground for the past 300 years and names it Coo. Koichi and Coo become good friends and starts living with his family. However, Coo could not adjust to the lifestyle in Tokyo and starts to miss his family.
On a hot summer day, Koichi and Coo decide to go on an adventurous road trip to find his own kind.
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