7.4 BluraySummer Days with Coo (2007) 28 Jul 2007 Summer Days with Coo IMDb: 7.4 2007 138 min min 129 views 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 ... AnimationComedyRomance