Satan has the dubious honor of being the constantly-angry class president among the sisters. She is known for letting loose rapid-fire scoldings, which often make her sisters scared of her. No one is willing to talk back to her due to this, so she surprisingly feels lonely. She'll sometimes try to intentionally do things to make her sisters angry at her, but they never scold her back, which makes her even more lonely.
Satan has dull, curly, bleached white hair, fair skin and the same red eyes as her sisters. She also wears the same uniform as them. She has the one-winged eagle symbol on her "skirt."
- Furniture of Beatrice
- Current furniture of Battler Ushiromiya
- Sister of the other six sisters of Purgatory