One Piece: Sign in at the beginning of the game

Roja traveled to the world of One Piece and started in Doflamingo's birdcage. Fortunately, he awakened the sign-in system and obtained the strongest heat-type Zanpakutō - Ryuken Wakahara! ! ! "Everything in the forest is like ashes, and the blades are like fire." It is famous on the sea for its monstrous flames! Five Old Stars: "Damn it, who is this guy who has been hindering us!" Sengoku: "This guy definitely has an ulterior conspiracy!" Akainu: "His flames can actually hurt me!" Red Posted: "This person is definitely worth getting to know!"... As you continue to sign in to the island, various god-level rewards appear. From now on, I am the strongest on the sea!Author's Other NovelsPirates: Beat the Four Emperors at the beginning