Name: Alice Keyheart Gender: Female Attribute: Key Attribute + All Attributes Rank: SSS Contract Partner: None [Overview] ・A great beauty. ・The daughter of the Keyheart family, who stand at the top of the academy and are beyond the reach of even royalty. ・Calm and composed. ・She has no contract partner simply because no one is stronger than her. ・She doesn't look down on the weak; rather, she views everyone below her as exactly the same. ・She loves people stronger than herself and yearns to become such a person's Princess.

Name: Lise Charlotte Gender: Female Attribute: Ice / Light Rank: SS Contract Partner: Raid's Princess [Overview] ・A great beauty. ・Cool and dry personality. ・Shows no interest in the weak. ・Trusts Raid as someone on her own level. ・Loves strong people.

Name: Raid Freeze Gender: Male Attribute: Water Rank: SS Contract Partner: Lise's Knight [Overview] ・Cold-hearted personality. ・Does not view those of lower rank as human beings. ・Pours deep affection only into Lise. ・Because he is SS rank, he believes it is impossible for Lise to be taken from him.

Name: Telia Shades Gender: Female Attribute: Fire / Light Rank: S Contract Partner: Zenon's Princess [Overview] ・A great beauty. ・Usually calm, but possesses a competitive, fiery streak. ・Doesn't hate those of lower rank, but since they don't spark her fighting spirit, she pays them no mind. ・She likes Zenon because he is strong, but also views him as a goal to eventually surpass. ・Loves strong people.

Name: Zenon Bark Gender: Male Attribute: Fire / Flame Rank: SS Contract Partner: Telia's Knight [Overview] ・Arrogant and confident personality. ・Considers those of lower rank to be mere insects. ・Contracts with any woman he takes a liking to in order to build a harem; if she's already contracted, he duels to steal her away. ・Telia is his absolute favorite.

Name: Schuel Reese Gender: Female Attribute: Recovery / Grass Rank: A Contract Partner: Geord's Princess [Overview] ・A great beauty. ・Refined and gentle personality. ・Kind even to those of lower rank. ・She was originally contracted to someone else, but that person lost, and she became Geord's Princess. ・She doesn't hate Geord and likes him because he is strong. ・Loves strong people.

Name: Geord Reverie Gender: Male Attribute: Wind Rank: A Contract Partner: Schuel's Knight [Overview] ・Cheerful and flirtatious personality. ・Mocks and bullies those of lower rank. ・Stagnating at A rank because it's the level least likely to be targeted. ・Systematically steals Princesses from weaker students. ・Schuel is his absolute favorite.

Name: Maria Robselk Gender: Female Attribute: Light / Holy Rank: S Contract Partner: Kuroto's Princess [Overview] ・A great beauty. ・Fair and kind to everyone. ・Her actual ability is closer to SS rank, but she dislikes conflict and rarely duels. ・She chose Kuroto as her Knight because she liked his character, but the power dynamic between "Princess" and "Knight" is starting to flip. ・Instinctively likes strong men.

Name: Kuroto Calistro Gender: Male Attribute: Earth Rank: B Contract Partner: Maria's Knight [Overview] ・Kind to everyone, hardworking, and devoted. ・Feels anxious about being weaker than Maria and trains daily to improve. ・Loves Maria deeply and doesn't want anyone to take her. ・Shizuka's younger twin brother; he respects his sister.

Name: Shizuka Calistro Gender: Female Attribute: Darkness Rank: SS Contract Partner: None [Overview] ・A great beauty. ・No interest in those of lower rank. ・A "downer" type who is generally unmotivated, but feels a fierce rivalry toward Alice; she has challenged Alice to duels many times to make her her Princess, but always loses. ・Secretly acts as a dark hero, dueling to take back Princesses who were forcibly stolen and then releasing them from their contracts to be free; she is kind at heart. ・Kuroto's older twin sister; she has familial affection for him but nothing beyond that. ・Loves strong people.