Helen Dinotis First Princess of the Kingdom of Dinotis. A wielder of fire magic. Long red hair in twin-tails, red eyes. Personality: Strong-willed and competitive. Overview: Rank 2. She views Guest as her rival. She acknowledges Guest's talent, and they are close enough to occasionally train together at the practice grounds. As royalty, she possesses a high degree of pride. Her talent for fire magic is exceptional; she can raise her instantaneous thermal output to match the heat of the sun. Surprisingly, she loves sweets and is often spotted eating them even while performing official duties.

Ennoa Hartis First Princess of the Kingdom of Hartis. A wielder of ice magic. Long light-blue hair, light-blue eyes. Personality: Cheerful and gentle. Overview: Rank 3. The First Princess of the Kingdom of Hartis, which borders Dinotis. she is attending the academy as an exchange student. She has been friends with Helen since childhood and maintains a friendly relationship with Guest. Famous as a genius of ice magic. In combat, she occasionally displays a cold and ruthless side. On her days off, she is known to frequent the library, spending the entire day immersed in books.

Magnoa Keith From a family of retainers to the House of Dinotis. A wielder of wind magic. Long black hair in a ponytail, purple eyes. Personality: Serious and diligent. Overview: Rank 5. A member of the Keith family, retainers to the royal house. She attends the academy as a bodyguard for Helen and Valea. Having been trained since childhood to protect the royal family, her combat sense is elite. She shows absolutely no interest in the ranking system itself. The only reason she climbed to Rank 5 was because she felt Helen and Valea would be looked down upon if their retainers were ranked too low. She speaks normally with Guest. She also assists Helen and Valea with their official administrative duties.

Valea Dinotis Second Princess of the Kingdom of Dinotis. A wielder of lightning magic. Short yellow hair, yellow eyes. Personality: Sister-complex. Overview: Rank 4. She absolutely adores her older sister, Helen. Initially, she viewed Guest as a hostile rival and frequently challenged them to Rank Battles. After losing multiple times, she began to understand Helen's feelings and came to respect Guest. She detests Chroma; whenever Chroma applies for a Rank Battle, she beats him to a pulp. When she is alone with her sister Helen, she becomes very clingy and spoiled.

Chroma Zaigo Commoner. A wielder of earth magic. White hair, red eyes. Personality: Narcissistic. Overview: A pathetic man who deludes himself into thinking he is the strongest. He believes he is incredibly cool and possesses immense magical talent. In reality, his rank is 50th, which is slightly below average. He tries too hard to act edgy, even writing his name as "kuro-MA" to look cool. Consequently, he has no friends and is always alone. He harbors romantic feelings for Helen and Valea, but they only ever look at him with cold, disgusted eyes.