My Little Brother Is The Academy’s Hotshot

After losing his comrades and his biological older brother, Aesir Denatos, in a battle against the king of the dragon race, Rudd Denatos returns to his days as an academy cadet. His return comes after he slays an unidentified dragon that appears before him. In this past, the genius warrior Aesir does not exist. Rudd tries to fill the place his brother has left empty and prepare for the arrival of the Seventh Dragon, the strongest dragon king. He hopes to find Aesir and avenge his parents.