After an unexpected plunge into a hellish world with game-like rules, Daesung Han battles for survival for 80 long years until he conquers the Demon God. Upon the victorious moment, a tempting offer to return to Earth arises, and he seizes it, reawakening from a coma that lasted a mere decade on his home planet. However, during his absence, Earth had been plagued by Gates, portals swarming with interdimensional beasts, necessitating the intervention of specialized individuals known as Hunters. Daesung grapples with the stark reality of losing the immense power he amassed in hell when an ominous quest notification from the infernal realm materializes, complicating his return to the life he once knew.