Summer Days with Coo (2007)
Overview : A small, lone Kappa miraculously survives over 200 years into modern day Japan, when he is found by young Koichi. Coo, who is secretly adopted by Koichi's family, searches with his new human friend for unpopulated places in hopes of finding any remaining of his kind.
Release Date : July 28, 2007
Runtime : 138m
Genre : Animation, Comedy, Romance
Companies : Dentsu Tec, Mitsui Bussan, SKY Perfect Well Think, Sony Music Entertainment, Summer Days With Coo Committee, TV Asahi, Shochiku, dentsu, Shin-Ei Animation
Countries : Japan
Keywords : river, swimming, adult animation, sumo, back in time, corrupt official, kappa