In the last battle with the king of the dragon race that killed countless humans, Rudd Denatos loses his comrades and biological elder brother, Aesir Denatos. The moment he slays an unidentified dragon that appears before him, he returns to his days as an academy cadet. This time, Rudd tries to kill...

The strongest demon king in history, Hairam, dominated the continent of demons with overwhelming strength. However, after defying the Demon God’s oracle, which demanded sacrifices, a fierce battle commenced that ended with Hairam’s death. “The demon race cannot possibly win against the one it ...