Summer Days with Coo
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.
Genres: Animation, Comedy, Romance
Directors: Keiichi Hara
Writers: Keiichi Hara, Masao Kogure
Cast
IMDB: tt1179773