Games like Umi no Nushi Tsuri 2

If you finished Umi no Nushi Tsuri 2, the closest matches are Beast Battle Simulator, Monster of the Deep: Final Fantasy XV, Inazuma Eleven GO Strikers 2013, Legend of the River King GB and Legend of the River King 2. All 10 share its role-playing (rpg) genre and are ranked by how closely their themes and modes overlap.