Shizuka, Mizuki, and Akane are maids living together in a humble house in the kingdom of Avalon, a fantasy world.
Shizuka, with blond hair and yellow eyes, is extremely shy and easily falls in love.
Mizuki, sporting white hair, blue eyes, and an eyepatch, is polite and formal but often makes cruel remarks due to her evil personality.
Akane, with red hair and red eyes, is dirty-minded and frequently makes suggestive comments that are easily misunderstood.