In the Star Continent, which is full of magic and fantasy creatures, magic apprentice Allen is accidentally involved in an adventure to decipher the crisis of the world's dragons. He teamed up with the elf swordsman Rena, the warrior Gru, and the female mentor Mellie to overcome many difficulties in a journey intertwined with humor and crisis. On the way, they broke into the top of the Dragon Tower and played a game with the eccentric dragon scholar Tuba. They uncovered the secrets of the dragon clan's lost magic circle and gradually grew into a real team of heroes. The three volumes respectively describe Allen's admission adventure, the heroic team's Dragon Tower adventure, and the final battle for the fate of Star Continent. The plot is compact, humorous, and fast-paced. The book ends successfully with warmth and unity.