Leiyin accidentally crossed into the One Piece World, and accidentally obtained the Naruto System. Chakra, Ninjutsu, Shinobi Tools, Kekkei Genkai, Sage Mode… Fire Release vs Ace; Water Release vs Crocodile; Shinra Tensei vs Nikyu Nikyu no Mi; Amaterasu vs Magu Magu no Mi; Susanoo vs Kaido… This was the adventure of a person, who gradually on the road to the top of being the strongest…