Synopsis：Wyatt, once known as “Hades” and famed for conquering the Gapless Prison, returns to the underworld to uncover the truth behind his family’s slaughter. Backed by seven formidable adoptive sisters from different centers of power, he dismantles criminal empires, eliminates old enemies, and protects what belongs to him. As the underworld crumbles, Wyatt draws ever closer to the secrets of his past—and the vengeance that awaits.