Stranded in an unknown world, but not alone, Saitama and his friends lived their lives in a strange world. They found happiness and peace, but an old evil returned, birthing new evils and challenges for the next generation....
Saitama from One Punch Man has unexpectedly crossed over to the One Piece world. In this vibrant and colorful world lies hidden danger that shall be brought to light by the existence of a Hero and bring justice to the common people. Whether the perpetrators be Pirates or Marines, all shall be...