Flandre Alucard:
The king of vampires, a lolita with dual personalities who often wears gothic costumes
Sebastian Michaelis (Lucifer):
The king of the demon clan, despite his cold appearance, only feels doting on Lu.
Nuo Die Yao Ying:
The beautiful flower demon looks strong, but is actually very afraid of loneliness.
William
Claude Faustas
Gene:
Sebas's attendant always has a devilish smile, because he looks similar to his dead sister. When he is alone, he always reveals an unknown side.