Gunjin shitei Friends

Big Sister Maid is the older sister who is a former slave. Maoyuu's head maid take her and her young sister to be the new maids.

Chief Maid is the caretaker of the Demon Queen's mansion in Winter Pass.

The female protagonist of Maoyu, she is the 43rd ruler of the Demon Realm.

She's a former slave who ran away with her older sister. Maoyuu's head maid take her and her older sister to become maids.

Shounin shitei is a young boy who is being taught by Demon Queen.