The God of War Is Leveling Up

The greatest martial artist on the continent and the supreme Martial Emperor who unified the martial world—Suhyeok. He had achieved everything, yet a lingering emptiness in his heart remained unfulfilled by his yearning for family. In the end, he crossed dimensions using the power of sorcery, but what lay before his eyes was a hospital room after being in a coma for five years. During the five years he lay unconscious, his family had been struggling to pay his hospital bills. Now, the strongest Martial God of the Hwan Continent begins his journey to level up in a modern world with a mysterious system window floating before him.