The Dungeon Cleaning Life of a Once Genius Hunter Light Novel

Description:

World’s first SSS-ranked genius hunter, Junu Kim. 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, Junu Kim, takes over the cleaning duty with vigorous determination.

Clever Cleaning Life of the Returned Genius Hunter Novel,
The Smart Dungeon Sweeper’s Life of a Returned Genius Hunter Novel,
회귀한 천재 헌터의 슬기로운 청소생활