Summer Days with Coo

Summer Days with Coo (河童のクゥと夏休み) is a 2007 Japanese animated film about a kappa and its impact on an ordinary suburban family, directed by Keiichi Hara.

Reception
The film won the Best Animation Film award at the 2008 Mainichi Film Awards and was nominated for Best Animation Film at the 2008 Japanese Academy Awards, and for Best Animated Feature Film at the 2007 Asia Pacific Screen Awards. It also won the Grand Prize for Animation at the 11th Japan Media Arts Festival and the Feature Film category at the 2008 Tokyo Anime Award.