Games like Xiaoxiao No. 9: Fight Man

If you finished Xiaoxiao No. 9: Fight Man, the closest matches are International Karate +, One Piece: Pirate Warriors 3, Naruto Shippuden: Ultimate Ninja Impact, Saban's Mighty Morphin Power Rangers: Mega Battle and Gekido Advance: Kintaro's Revenge. All 8 share its hack and slash/beat 'em up genre and are ranked by how closely their themes and modes overlap.