One Piece: Immortal Dark Dragon

Traveling to the world of One Piece and becoming the son of a lieutenant commander, Roland D. Creedo saw Roger's dying words and vowed to become a big shot like the Pirate King. Seeing the tragic death of his father, Roland D. Butch, Creedo vowed to take revenge, vowed to become the strongest pirate and end the disputes in the world of One Piece. After obtaining the Dark Dragon Fruit, the devil fruit left by his father, Credo transformed into a Dark Dragon and became a legend of immortality. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.