I'm Checking in at One Piece, Marinevando!

Chen Fei accidentally traveled to the world of One Piece! Become a member of Navy Training! A year later, the god-level sign-in system was activated! When you signed in for the first time, you got the magical beast fire unicorn fruit! So far, there is another flame controller in the world! I thought it would become the navy's highest combat force in the future! Unexpectedly, he accidentally turned into a pirate! He has become the most troublesome figure in the navy! Kaido looked up to the sky angrily: "I want to commit suicide! No one can kill me!" Kaido, who is known as the most powerful biological species in the sea, land and air~until he met Chen Fei...! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.