Adventure Begins in One Piece

A poser who only pretends to be an otaku is accidentally reborn in the world of One Piece because of an unknown transmigration System. He grows up alongside Luffy, Sabo, and Ace, then sets sail and meets the woman he decides to protect for the rest of his life: Nami! Along the way, he encounters companions whose personalities click with his own: a kung fu dugong, Hachi the octopus, the cowardly Koby, and the clingy Ghost Princess Perona~ Taking this motley crew out to sea for adventures, the protagonist eventually becomes the King of Hand-to-Hand Combat!!