Demon Maid

Demon Maids or Demon Maidservants are female demons who work for the royal family. So far only 4 have been revealed, the first and most notable is Hilda who serves prince Beelzebub IV, the second is Hilda's sister Yolda who is not only a Demon Maid but also a Transdimensional Demon, and lastly Satura and Izabella, Yolda's two colleagues who along with her serve under prince En. Before birth their fate is already chosen and their sole purpose in life is to loyally serve their master without question.

Notable Demon Maids

 * Hilda BEELZEBUB
 * Yolda PRINCE EN
 * Satura same
 * Izabella same