The Boastful Son of Thunder!Yuwon Kim has every intention of making sure the failures of his past life won't be repeated during his second chance. He'll have to take as many risks as possible, including challenging the demon Surtra, a monster that was never meant to be fought. For all his meddling, however, Yuwon realizes his mission hasn't changed: He'll have to climb the ranks of the Tower once more, competing against powerful rivals from other worlds--such as the son of the king of the gods!