Moonbeat (달비트)

The first-generation hunter and the hero who established all monster subjugation systems and frameworks, Kim Jun-woo, finally defeats Gigantiana in the subjugation of the Black Grave Dungeon. However, he also loses his life in the process. As his breath fades, he hears the voice of Gigantiana...

World’s first SSS-ranked genius hunter, Kim Jun-woo. He regresses ten years into the past after being ambushed by unknowns one day. With all his hunter skills now locked, he must fulfill his career as a dungeon cleaner to unlock them. But this cleaner… is extraordinary! The once renowned hunter, Kim Jun-woo, takes over the cleaning duty with vigorous determination.