Kim Jun-Woo, the world’s first SSS rank genius hunter.... more>>

He is an incredible user of ability, but his horrible personality leads to problems with his reputation.

In the midst of his troubles, he was attacked and killed by an unidentified group.

And when he opened his eyes, he had returned to the past of 10 years ago.

Though he tries to become a hunter again and raise his rank, his skills were all sealed by the karma of his previous life.

In order for that to be released, he needs to work as a ‘Dungeon Cleaner’, which is infamous for being extremely tough in this industry?!

But this cleaner, he’s different!

Not only monsters—troublesome hunters, superiors only taking up positions after they’re hired out of nepotism, and even people who will be colleagues with him.

He’s making a complete mess to clean everything up.

The ex-hunter, who is stronger than the current hunters, and his crazy cleaning begins! <<less

Joonwu Kim, the 1st generation hunter, a hero, and founder of the subjugation system and code against monsters, finally defeats Gigantiana at Black Tomb Dungeon,... more>> but it costs his life. As he lay dying, Gigantiana softly whispered, "I will be resurrected in 42 years and bring destruction to this world." 42 years later, Joonwu reincarnates into the body of another person, namesake Joonwu Kim, who has a young teenage physique. A moment to rejoice for a new peaceful world is short-lived. Joonwu becomes distraught, witnessing the subjugation system and Hunter's Law that he and his cohorts had built on their bloodshed and sacrifices in disorder. With this state, Gigantiana's resurrection will bring devastation to this world. <<less