The fifth numbered game in the Kawa no Nushi Tsuri / Legend of the River King series. The game is a Fishing Role Playing Game in which you aim to get better rods and gear to be able to catch bigger and more elusive fish.
Keita visits his grandfather's house during the summer vacation. Upon arrival he hears a rumour that the nearby swamp is cursed, causing the people of the town to turn into fish. It is said that only a legendary fisherman can break the curse and save the people. And so Keita begins fishing...
