Due to a friend’s betrayal, Yang Yohan ends up in the worst dungeon of all, the Abyss. In this monster-infested dungeon, Yohan encounters Lee Hyunmook, once considered the strongest Awakened in Korea, who had gone missing in the Abyss years ago. “Mr. Lee Hyunmook, please don’t kill me, okay? I’m human…” “Human…” “Yes, …