Kappa no Sanpei

Sanpei is a young carefree boy that lives alone with his grandfather deep in the mountains. One day, when Sanpei takes a nap whilst floating down the river on a makeshift raft, he is mistaken for a Kappa and gets pulled underwater by a group of 'fellow' Kappa that are worried about him being spotted by humans, before whisking Sanpei away to the underwater Kingdom of the Kappa. Upon arrival, Sanpei is soon discovered to actually be a human and is immediately is sentenced to execution. Realizing...