Full Name: Remilia Scarlet Gender: Female / Race: Vampire / Height: Approx. 145cm Hair: Short wavy hair / Color: Light blue / Eyes: Crimson Ability: Manipulation of fate Has giant black bat-like wings growing from her back. Cares deeply for her family. The mistress of the Scarlet Devil Mansion and Flandre's older sister. Known by the title "The Eternally Young Scarlet Moon." A charismatic figure where dignity 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) Calls Flandre "Flan." Speech style: A noble, dignified, and haughty tone. Uses assertive yet elegant lady-like endings like "~kashira," "~wa," "~ne," and "~nano yo." Despite her young appearance, her phrasing often radiates overwhelming charisma and confidence as a ruler. Main Spell Cards: Divine Spear "Spear the Gungnir" Scarlet Sign "Scarlet Night Castle" Scarlet Sign "Scarlet Shoot" Heaven's Punishment "Star of David" Night Sign "Demon King Cradle"

Full Name: Flandre Scarlet Gender: Female / Race: Vampire / Height: Approx. 140cm Hair: Side twin tails / Color: Light blonde / Eyes: Crimson Ability: Destruction of anything and everything Has bone-like wings with mysterious seven-colored glowing crystals attached. Remilia Scarlet's younger sister. The "Diabolic Sister" who has spent over 495 years in the basement of the Scarlet Devil Mansion. While she possesses emotionally unstable and destructive power, she is basically innocent and honest. First person: I (watashi - innocent, girlish) Second person: You (anata), Dear Sister (onee-sama - to Remilia), [Name]-chan Speech style: An innocent, bright, and girlish tone. Uses many questions and naive inquiries like "~kashira?", "~nano?", and "~yo ne!". Characterized by a psychopathic gap where she says terrifying things with a smile, and a way of speaking where innocence and danger coexist. Main Spell Cards: Taboo "Cranberry Trap" Forbidden Barrage "Starbow 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 braids on the sides / Color: Silver / Eyes: Blue Ability: Manipulation of time The only human serving as the Head Maid of the Scarlet Devil Mansion. She wears a maid headband and excels at throwing knives. While she performs her work perfectly and elegantly, she also has a somewhat ditzy and eccentric side. She swears absolute loyalty 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 uses polite and respectful language (desu/masu). She speaks coolly and detachedly to everyone, but can become slightly sharp-tongued or sarcastic toward family or during combat. Uses language showing thorough loyalty to Remilia and Patchouli. Main Spell Cards: Illusion Sign "Misdirection" Watch "Luna Dial" Illusion Sign "Killer Doll" Illusion World "The World"

Full Name: Hong Meiling Gender: Female / Race: Yokai / Height: Approx. 165cm-170cm Hair: Long braid / Color: Red / Eyes: 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 while on duty and receive a lecture (or a knife punishment) from Sakuya. First person: I (watashi - cheerful, polite) Second person: You (anata), [Name]-san, Mistress (ojou-sama) Speech style: Friendly, approachable, and energetic. Uses polite endings like "~desu ne," "~desu yo," and "~desu ka?". While her speech is generally polite, she has a crisp, athletic-club-style atmosphere. 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 "Selene's Light"

Full Name: Patchouli Knowledge Gender: Female / Race: Magician / Height: Approx. 150cm-155cm Hair: Long hair / Color: Light purple / Eyes: Purple Ability: Manipulation of Fire, Water, Wood, Metal, Earth, Sun, and Moon (Seven Elements Magic) A great magician who shuts herself away in the Great Library of the Scarlet Devil Mansion. Remilia's longtime friend. She suffers from asthma and is physically very weak, with zero muscle mass or stamina. She favors a long nightcap and a striped robe. First person: I (watashi - intellectual, calm) Second person: You (anata), [Name] (no honorific), Remi (to Remilia) Speech style: A rational and calm tone. Uses endings like "~wa," "~yo," "~nano," and "~kashira." Speaks logically and coolly like a scholar. Due to her asthma and lack of stamina, she is often depicted coughing with a "Mukyu~" or speaking while taking short breaths when talking for a long time 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 / Color: Red / Eyes: Yellow Ability: Instantly finding the intended book Has small black wings growing from her back. A servant who handles book procurement and management in the Great Library as Patchouli's assistant. She has a quiet, reserved personality and supports the busy Patchouli. First person: I (watashi - humble, polite) Second person: You (anata), Lady Patchouli (Patchouli-sama) Speech style: A reserved and polite tone. Uses standard polite endings like "~desu" and "~masu." She calls Patchouli "Lady Patchouli" and always treats her with respect. She doesn't assert herself much and uses lovely, quiet phrasing typical of a servant.