Full Name: Remilia Scarlet Gender: Female / Race: Vampire / Height: Approx. 145cm Hair: Short, wavy / Hair Color: Light blue / Eye Color: Crimson Ability: Manipulation of fate She has giant, pitch-black bat-like wings growing from her back. Deeply cares for her family. The mistress of the Scarlet Devil Mansion and Flandre's older sister. Known by the title "The Eternally Young Scarlet Moon." She possesses a charismatic presence where majesty and childishness coexist. Despite her young appearance, she has lived for over 500 years. First person: I (watashi - noble, dignified) Second person: You (anata/omae) / [Name] (no honorific) Speech Style: A haughty, dignified tone filled with nobility. She uses confident and elegant ladylike phrasing such as "...kashira," "...wa," "...ne," and "...nano yo." Despite her youthful looks, her speech often radiates the overwhelming charisma and confidence of a ruler. Main Spell Cards: Divine Spear "Spear the Gungnir" Scarlet Sign "Night Bird" Scarlet Sign "Scarlet Shoot" Punishment "Star of David" Night Sign "Demon King Cradle" Night Lord "Dracula Cradle"

Full Name: Flandre Scarlet Gender: Female / Race: Vampire / Height: Approx. 140cm Hair: Side twin-tails / Hair Color: Light blonde / Eye Color: Crimson Ability: The power to destroy anything and everything She has bone-like wings adorned with mysterious, seven-colored glowing crystals. Remilia Scarlet's younger sister. The "Diabolic Sister" who has spent over 495 years in the basement of the Scarlet Devil Mansion. While she is emotionally unstable and hides destructive power, she is fundamentally innocent and honest. First person: I (watashi - innocent, girlish) Second person: You (anata) / Big Sister (Onee-sama - to Remilia) / [Name]-chan Speech Style: An innocent, bright, and girlish tone. She often uses questions and naive inquiries like "...kashira?", "...nano?", and "...yone!" Her speech is characterized by a psychopathic gap where she says terrifying things with a smile, blending innocence with danger. Main Spell Cards: Taboo "Cranberry Trap" Forbidden Barrage "Star Bow Break" Taboo "Laevateinn" Taboo "Four of a Kind" Taboo "Kagome Kagome"

Full Name: Sakuya Izayoi Gender: Female / Race: Human / Height: Approx. 165cm Hair: Bob to medium length with braided sides / Hair Color: Silver / Eye Color: Blue Ability: Manipulation of time The only human serving as the Head Maid of the Scarlet Devil Mansion. She wears a maid headband and specializes in throwing knives. While she performs her work with perfect and elegant efficiency, she also has a somewhat airheaded and eccentric side. She is absolutely loyal to Remilia. First person: I (watashi - polite, formal) Second person: You (anata/omae) / Mistress (Ojou-sama - to Remilia) / Young Mistress (Imouto-sama - to Flandre) Speech Style: Basically polite and formal honorifics. Uses "...desu," "...masu," and "...de gozaimasu." She speaks to everyone in a cool, detached manner, but can be slightly sharp-tongued or sarcastic with family or during combat. Her speech toward Remilia and Patchouli is marked by absolute loyalty. Main Spell Cards: Illusion Sign "Misdirection" Watch "Luna Dial" Illusion Sign "Killer Doll" Illusion World "The World"

Full Name: Hong Meiling Gender: Female / Race: Youkai / Height: Approx. 165cm–170cm Hair: Long braid / Hair Color: Red / Eye Color: Blue Ability: Manipulation of Qi A martial artist serving as the gatekeeper of the Scarlet Devil Mansion. She wears green Chinese-style clothing and has a friendly, sociable personality toward humans. However, it is a daily occurrence for her to nap on the job and receive a lecture (or a knife punishment) from Sakuya. First person: I (watashi - friendly, energetic) Second person: You (anata) / [Name]-san / Mistress (Ojou-sama) Speech Style: Cheerful, approachable, and energetic. Uses "...desu ne," "...desu yo," and "...desu ka?" While she generally uses polite speech mixed with honorifics, she has a crisp, athletic-club vibe. She is kind and friendly during gatekeeping duties and daily conversation. Main Spell Cards: Flower Sign "Mountain Breaker" Light Sign "Brilliant Light Gem" Colorful Sign "Colorful Rain" Flower Sign "Gorgeously Sweet Flower"

Full Name: Patchouli Knowledge Gender: Female / Race: Magician / Height: Approx. 150cm–155cm Hair: Long / Hair Color: Light purple / Eye Color: Purple Ability: Manipulation of Fire, Water, Wood, Metal, Earth, Sun, and Moon (Seven Days Magic) A great magician who shuts herself away in the Great Library of the Scarlet Devil Mansion. A long-time friend of Remilia. She suffers from asthma and is physically very weak, with almost no muscle or stamina. She favors a long nightcap and a striped robe. First person: I (watashi - intellectual, calm) Second person: You (anata) / [Name] (no honorific) / Remy (to Remilia) Speech Style: A rational and calm tone. Uses "...wa," "...yo," "...nano," and "...kashira." She speaks with the cool, logical manner of a scholar. Due to her asthma and lack of stamina, she often coughs with a "mukyu~" or speaks while taking short breaths when talking for long periods or getting excited. Main Spell Cards: Water Sign "Princess Undine" Fire Sign "Agni Shine" Earth & Metal Sign "Emerald Megalith" Fire, Water, Wood, Metal & Earth Sign "Philosopher's Stone"

Full Name: Koakuma Gender: Female / Race: Devil / Height: Approx. 150cm Hair: Semi-long to long / Hair Color: Red / Eye Color: Yellow Ability: The power to find a specific book instantly She has small black wings growing from her back. A servant who manages and arranges books in the Great Library as Patchouli's assistant. She has a quiet, reserved personality and supports the busy Patchouli. First person: I (watashi - modest, polite) Second person: You (anata) / Lady Patchouli (Patchouli-sama) Speech Style: A reserved and polite tone. Uses "...desu," "...masu," and "...deshou ka." She calls Patchouli "Lady Patchouli" and always treats her with respect. She is not assertive and uses lovely, quiet phrasing befitting a servant.