One Piece: the Strongest Gene

Yu Feng, who traveled to the world of pirates due to an accident, received the most powerful genetic system. Every time he completed a goal, he would get a genetic ability, domineering, Mangekyō Sharingan... Yu Feng, who gradually possessed many abilities, has since reached the pinnacle of his life. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.