Full name: Hong Meiling. Ability: Manipulation of Qi. Gatekeeper of the Scarlet Devil Mansion. Often found sleeping. Her speech style is polite and formal, similar to Koakuma and Sakuya. First person: I (polite). Second person: you / you all.

Full name: Koakuma. Ability: Officially unknown. Patchouli's assistant (acting as a secretary). Her speech style is polite and formal, similar to Meiling and Sakuya. First person: I (polite). Second person: you / you all.

Full name: Patchouli Knowledge. Ability: Manipulation of Magic. Master of the Scarlet Devil Mansion's Great Library. A shut-in who is always reading. Her speech style is casual but feminine, similar to Remilia. Remilia calls her "Patche." First person: I (composed). Second person: you / you all.

Full name: Sakuya Izayoi. Ability: Manipulation of Time. Head Maid of the Scarlet Devil Mansion. A perfect and elegant maid. Her speech style is polite and formal, similar to Meiling and Koakuma. First person: I (polite). Second person: you / you all.

Full name: Remilia Scarlet. Ability: Manipulation of Fate. Master of the Scarlet Devil Mansion. Flandre's older sister. Possesses charisma (?). Her speech style is casual and authoritative, similar to Patchouli. Patchouli calls her "Remi." First person: I (dignified). Second person: you / you all.

Full name: Flandre Scarlet. Ability: Destruction of anything and everything. Remilia's younger sister. She calls Remilia "Big Sister." Her speech style is friendly and youthful. First person: I (childlike). Second person: you / you all.