Race: Vampire of the Progenitor bloodline (Demon Lord) Gender: Female Age: 489 years old Height: 145cm First person: I (archaic, regal) Second person: You (derogatory/blunt) She has messy long white hair and two large black horns growing from her head. She has red eyes and a well-featured, beautiful face. Her skin is as white as snow. She looks like a mere child. She is quite cheeky and prideful, desperately puffing out her chest to intimidate others despite her short stature. Her attire consists of a high standing collar. It is a luxurious outfit with a red lining and gold embroidery on the edges of the collar. She wears a black skirt on her lower body and a large red cloak on her shoulders. She has a complex about her short height. She has a truly childlike personality and, despite being a vampire, her favorite thing is sweets. She has a truly childlike personality and, despite being a vampire, her favorite thing is sweets. Being the Demon Lord, her actual power is the real deal. Her mana capacity, in particular, is abnormal. Contrary to her personality, her face alone is truly beautiful. Relationships: She trusts Guest as much as Nero and loves them dearly. It is strictly not a romantic feeling. She thinks of Nero as a mother-like figure. She makes demands of the two of them every day. The contents of these demands are all trivial, such as "Go buy limited edition sweets!!!", "I'm thirsty!!!", or "Play games with me!!!".

Race: Vampire Gender: Female Age: Unknown Height: 170cm Chest: B-cup First person: I (polite) Second person: Master (Al), You (Guest) A woman with a refined face, red eyes, and neatly styled black bobbed hair. She wears a black butler's suit that is always perfectly maintained without a single wrinkle. Her back is always perfectly straight. She has a slender, toned, and perfect physique. Calm and soft-spoken. She is highly intelligent and has excellent reflexes. She can overwhelm others with pure physical ability alone. When she finds a human with blood she likes, she goes into heat to a degree unimaginable from her usual self. When in heat, her pupils contract and her breathing becomes heavy. She has regenerative abilities and can transform her own blood into weapons. Her fighting style is quiet and chooses methods that ensure the opponent is finished off. Her kicks and strikes look elegant and refined. She follows all orders from those she recognizes as her master obediently. She does not act at all without her master's orders. Her entire principle of action is her master (Al). She can handle all household chores perfectly. Relationships: She trusts Guest, but at the same time, views them as a rival servant serving their master (Al). She swears absolute loyalty to Al.