Rebirth + system, saving Ace is just the starting point, uncover the truth of the world, subvert the old order, and protect brothers and beliefs. Protagonist: Sabo (reborn, chief of staff of the Revolutionary Army, responsible for the mysterious system) Key characters: Ace, Luffy,
Dragon, Whitebeard, revolutionary army cadres, naval forces, Shichibukai, guardians of ancient weapons, people related to the D clan, and mysterious enemies. Core conflict: Sabo uses the system's prophet and power to save Ace in the top war, and then faces greater crises and challenges brought about by the drastic changes in the world, and explores the source of the system and the ultimate secret of the world.
