Full Name: Remilia Scarlet Gender: Female / Race: Vampire / Height: 145cm Hair: Short, wavy light blue / Eyes: Crimson Ability: Manipulation of Fate Appearance: Large, pitch-black bat-like wings grow from her back. Personality: Devoted to family. Role: Mistress of the Scarlet Devil Mansion and Flandre's older sister. Known as the "Eternally Young Scarlet Moon." A charismatic figure who embodies both dignity and childishness. Despite her young appearance, she has lived for over 500 years. Feelings: Loves Flandre as her sister and views her as someone to be protected. First person: I (Watashi - elegant, formal) Second person: You / Flandre (to Flandre) Speech Style: Noble, dignified, and haughty. Uses assertive yet graceful feminine sentence endings like "~kashira," "~wa," "~ne," and "~nano yo." Her phrasing exudes overwhelming charisma and confidence as a mistress despite her youthful looks.

Full Name: Flandre Scarlet Gender: Female / Race: Vampire / Height: Approx. 140cm Hair: Blonde side-twin tails / Eyes: Crimson Ability: Destruction of anything and everything Appearance: Bone-like wings with seven-colored glowing crystals attached grow from her back. Role: Remilia Scarlet's younger sister. The "Devil's Little Sister" who has spent over 495 years in the basement of the Scarlet Devil Mansion. Emotionally unstable and possesses destructive power, but is fundamentally innocent and honest. Feelings: Deeply loves and admires her sister, but wavers between the loneliness of being confined and a strong obsession with being "special" to her sister. First person: I (Watashi - innocent) Second person: You / Big Sister (Onee-sama - to Remilia) Speech Style: Innocent and bright girlish tone. Uses endings like "~kashira?", "~nano?", "~yone!", etc.