Blanc, the most powerful Grade-0 Adventurer, known across the world as the Black Emperor. After slaying the Black Dragon that plunged the world into despair, he became a legendary hero. And then, he made a shocking declaration: "I'm retiring from being a Grade-0 Adventurer." Now walking a new path, Blanc—once hailed as the strongest—takes on humble odd jobs as he begins a quiet journey of self-discovery.