Queen of vampires, Maiya Umbersangue, is the master of young vampire Kim Myungsoo whose brother is on the verge of being condemed to death and who is currently in Midnight-Dungeon, the vampire prison. In her quest for justice and prosperity  for her vampire clan she becomes the emotional slave of her servant.

T_HEQ_UEEN

Maiya Umbersangue:

- Human age: 22;

- Vampire age: 239;

- Good Points: kind, inteligent, understanting, friendly, loving, serious;

- Bad Points: long lectures, impulsive, impatient, harsh, a little bit sadistic, hypocrite(hates impulsive people), whiny, has insectophobia;

- She remained scrarred because she was kidnapped.

T_HE S_ERVANT

Kim Myung Soo

- Moon Soo's older brother;

- Human age: 21;

- Vampire age: 115;

- Good Points: caring, loving, powerful;

- Bag Points: arrogant, impatient, harsh;

- He became a vampire with Maiya's help, who saved his life from the death caused by a Accadian demon.

T_HES_AVIOR

Lee Bonie

- Human age: 18;

- Vampire age: 214;

- Good Points: kind, smart, resourceful, inventive, warm heart, a little bit crazy (energetic), powerful;

- Bad Points: curious, revengeful, impatient, swears a lot, arrogant and y only with the people she can't stand (that annoy her);

- Moon Soo's  soulmate;

- Accidentally found out she was a vampire at 18;

- Has an obsession for shoes.

T_HEP_RISONER

Kim Moon Soo

-  Myung Soo's younger brother;

- Human age: 19;

- Vampire age: 115;

- Good Points: kind, romantic, powerful;

- Bad Points: sarcastic, revengeful, arrogant;

- Bonie's soulmate;

- He became a vampire with Maiya's help, who saved his life from the death caused by a Accadian demon.

T_HEE_NEMY

Michael Shinxou

- Human

- Age: 27

- Good Points: inteligent, handsome, hard-working;

- Bad Points: arrongant, thirsts for power, ruthless; 

- Member of an organization against vampires.