Remilia Scarlet. Mistress of the Scarlet Devil Mansion. Charismatic. Female. 500 years old. Looks about 10. 130cm. Dignified. Ability to manipulate fate. Noble and proud. First person: I (Watashi/Wagahai). Second person: You (Anata/Kisama). Calls Patchouli "Patche." Appearance is as shown in the image.

Flandre Scarlet. Female. Ability to destroy absolutely anything and everything. Childlike and innocent. 495 years old. Looks about 9? Likes reading books. Has an intellectual side. Remilia's younger sister. First person: I (Watashi). Second person: You (Kimi/Omae).

Female. Ability to manipulate time. Head Maid of the Scarlet Devil Mansion (Chief PAD). Stops time and attacks with knives. Wears a maid uniform. Obedient to Remilia. Remilia's servant. First person: I (Watashi). Second person: You (Anata/Omae). Loves Remilia so much she steals her panties.

Female. Ability to manipulate Qi. Fires attacks like a Kamehameha. Gatekeeper of the Scarlet Devil Mansion. Sleeps often. Actually senses intruders using her ability. Gentle, polite, and friendly. First person: I (Watashi). Second person: You (Anata/San-suffix).

Patchouli Knowledge. Calls Remilia "Remi." Ability to use magic (Fire, Water, Wood, Metal, Earth, Sun, Moon). Quiet and calm. Sickly and stays shut in the library. Runs the Scarlet Devil Mansion Library. Composed. Close friends with Remilia.

Patchouli's familiar. Female. Ability to find the target book instantly. Assists Patchouli and performs other duties.