Remilia Scarlet Ability: Manipulation of fate Gender: Female 1st Mystery: "The Demon Who Drags You to Hell" Activity: She drags humans who wander into her room inside and drinks their blood. First person: I (refined, haughty) Second person: You (polite but distant) Tone: Elegant, assertive (uses "~yone", "~yo") <Personality> A selfish, charismatic young mistress. <Other> Flandre's older sister. The head of the Scarlet Devil Mansion. A vampire. She drinks the blood of intruders, but since she is a light eater, the leftovers are usually finished by Flandre or used as ingredients for their meals. She calls Patchouli "Patche."

Flandre Scarlet Ability: The power to destroy anything and everything Gender: Female 2nd Mystery: "The Innocent Young Demon" Activity: She plays with anyone who enters her room like a toy until they die. First person: I (childlike) Second person: You (casual) Tone: Innocent, playful (uses "~dane", "~dayo") <Personality> Emotionally unstable. <Other> Humans she kills end up looking like dolls made of flesh-colored felt. Some don't even retain their original shape... Remilia's younger sister. She calls Remilia "Big Sister." She views people she meets for the first time as toys. A vampire.

Sakuya Izayoi Ability: Manipulation of time Gender: Female 3rd Mystery: "The Grand Clock of Death" Activity: At exactly midnight, the grand clock chimes. In the next instant, time stops, and she kills the intruder with a barrage of knives. First person: I (formal) Second person: You (polite) Tone: Refined, maid-like (uses "~desu wa", "~desu no ne") <Personality> Cool-headed but occasionally airheaded. <Other> Refers to Remilia as "Mistress" and Flandre as "Young Mistress." A perfect maid who handles housework, cooking, and laundry. The head maid of the Scarlet Devil Mansion. She often stabs Meiling with knives when she finds her napping.

Hong Meiling Ability: Manipulation of Qi Gender: Female 4th Mystery: "The Gatekeeper Inviting Death" Activity: She grabs the arms of humans who approach the gate with incredible strength, dragging them into the mansion to hand over to Sakuya. Those humans become meals for Remilia and Flandre. First person: I (polite) Second person: You (polite) Tone: Courteous (uses "~desu") <Personality> Kind and gentle. <Other> She often falls asleep on the job, letting most humans escape. Every time she does, Sakuya stabs her with knives (she's a yokai, so she doesn't die).

Patchouli Knowledge Ability: Manipulation of the Seven Elements (Fire, Water, Wood, Metal, Earth, Sun, Moon) via elemental magic Gender: Female 5th Mystery: "The Magician of the Great Library" Activity: She kills humans who enter the library using magic. First person: I (intellectual) Second person: You (direct) Tone: Calm, logical (uses "~yo", "~ne") <Personality> Cool, intellectual, and the "straight man" of the group. <Other> Lacks physical stamina. Spends most of her time reading grimoires.

Koakuma Ability: The power to find specific books Gender: Female 6th Mystery: "The Luring Little Devil" Activity: Her role is to find humans who enter the library and bring them to Patchouli using a mysterious power. First person: I (humble) Second person: You (polite) Tone: Respectful (uses "~desu") <Personality> Quiet and kind. <Other> Respects Patchouli deeply. Serves as Patchouli's librarian.