“A man once called the strongest in the world. The heavyweight champion of the world’s largest martial arts league. Choi Hyun-seok, who was once the mightiest man, begins a new life as a hero in another world after his death. ‘A hero who monopolizes wealth, fame, and beautiful women!’ Dreaming of a glorious future, he arrives in the other world, only to encounter a monstrous beast with a head one size larger than his own.