Undefeated Bahamut Chronicle

最弱無敗の神装機竜《バハムート》

The Royal Knight Academy was established to train the heirs and scions of the lands how to fight using the ancient mechanical dragons known as Drag-Rides. Those noble intentions, however, go royally astray when Lux, deposed prince of the Arcadia Empire, accidentally stumbles upon the Kingdom of Atismata's new Princess Lisesharte in her royal bath and sees altogether more than he should have. Chall...