DEMONS

"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.The monster, a high-ranking officer of the Demon King's army, asked:Hero? Are you the so-called hero?'Uh I guess I'm the hero?'And so, he** began."

Kakyu, a former Japanese who was reincarnated as a low-level demon in hell, has acquired unparalleled strength over two thousand years. However, unexpectedly, he is exiled to another “different world,” liberated from the harsh underworld. Kakyu, who was enjoying his dream slow life, witnesses the village he owes everything to being attacked. Despite rushing to the scene, the village is annihilated. Picking up the only surviving baby, Ars, Kakyu resolves to raise Ars to become the happiest person in the world to repay the debt…!?

Updating

In a universe where Earth is a distant memory, humanity's last refuge is the void of space, threatened by the Onyx-ruthless, black-eyed creatures. After a brutal encounter with them, young orphan Kazuo vows to transform his fear into strength. Determined to become a Hunter, an elite warrior from Adamas Academy, Kazuo embarks on a perilous journey to defend humanity and prove he's more than a survivor-he's a hero in the making.