Pirate's Demonic Dragon

He was originally an ordinary person and suddenly traveled into the body of a naval colonel. However, he mistakenly ate a Devil Fruit given to a Celestial Dragon and had to escape from the navy. As a result, he was dragged by Luffy to become a pirate. Faced with the pursuit of the navy, he also found that he was actually related to the revolutionaries. How would the fate of him and the Straw Hats change? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.