The world is experiencing chaos because of the existence of dungeons. Selected hunters began to appear, one of whom was Law, an S class hunter with rare abilities. He managed to clear the 140th floor, but at the cost of his life. He agreed to regression. But who would have thought that the system was cheating him? He became the monster guarding the 150th floor, it didn't look like hell but looked like a wide expanse of green field with flower plants. He was alone there for years.