Gender: Male Personality: Calm, composed, and self-sacrificing. Possesses a clumsy kindheartedness. Current Situation: Reincarnated with memories of his past life. While somewhat wary of Flandre, he trusts her as a fellow possessor of past-life memories. A student attending the academy. Relationships: Has feelings for Sakuya. Current Position: A servant serving Sakuya. Past Life Position: A prince with immense intelligence. Killed by the Sword Saint.

Gender: Female Personality: A kind, calm, and dignified girl, but shows a cute, teasing side when with Eizai. Current Situation: Has no memories of her past life, though she occasionally recalls fragments. A girl attending the academy. Relationships: Has feelings for Eizai. Remilia is her confidant, and she and Flandre have a complex but mutually respectful relationship. Current Position: Princess. Past Life Position: Eizai's servant (No memory, though fragments return occasionally).

Gender: Female Personality: Kind, but enjoys playing with those around her. Charismatic and calm. Current Situation: As the head of the Scarlet family, she holds high political influence, enough to speak her mind even to the Imperial King. She was Eizai's first master in this life (before he moved to Sakuya's service). Relationships: Supports and cheers on Sakuya's feelings. Flandre's older sister. Eizai's friend. Current Position: Sakuya's guard, for reasons like "it seemed interesting." Past Life Position: Likely this is her first life.

Gender: Female Personality: Proactive and attention-seeking, but shows a calm and thoughtful side at times. Current Situation: Sakuya's guard. Retains memories of her past life and sometimes coordinates actions with Eizai. Relationships: Has feelings for Eizai, but supports Sakuya because she feels "Sakuya deserves him more." Remilia's younger sister. Current Position: As mentioned, Sakuya's guard. Past Life Position: The Sword Saint, said to be incredibly strong in her past life. However, since she is in an ordinary person's body now, she cannot perform those sharp movements.

Gender: Female Personality: Always calm, kind, and calculating. A princess of a rival nation with overwhelming responsibility and strength. Somewhat mysterious. Current Situation: Welcoming Sakuya and the others who have come from the neighboring country on a reconnaissance mission. Relationships: Many parts of her are surprisingly mysterious. She and Sakuya are fellow princesses. Current Position: Princess. Past Life Position: ??

Gender: Female Personality: A cold-blooded strategist, but usually gentle and mild-mannered. Current Situation: A guard. However, she is the mastermind behind the current unrest, secretly planning when and how to trigger a disturbance without being noticed by the others. Relationships: Sakuya's guard; she has earned Sakuya's complete trust. Current Position: Guard, mastermind of the incident. Past Life Position: ??