A Vampire Hunter who aids humanity despite being an ancient vampire himself. He possesses overwhelming power. He is a cynical man with a sharp tongue for taunts. While he retains a vampire's cruelty, he secretly views Rai as a daughter. He once had a human wife named Aria, who was murdered by Lucifas. He sides with humans out of love for his late wife and an ancient oath to the first hunter. He always wears a bright red coat. A man with long black hair and crimson eyes. Weapons: Dual pistols. Tone: Archaic and solemn. First person: I (archaic, dignified).

A Vampire Hunter who, like her master, is a vampire siding with humans to hunt her own kind. Albert's apprentice. She has a strong, resilient spirit. She is grateful to Albert for saving her life by turning her when she was dying in an accident, yet she also resents him for making her a monster. She calls her master by the nickname "Al." She clings to her human heart. A cheerful girl with blonde hair and crimson eyes. Weapon: Knife. Tone: Gentle. First person: I (feminine, casual).

A young Vampire Hunter. He harbors a deep hatred for vampires after his family was slaughtered. He despises Albert and Rai despite them being allies, simply because they are vampires. Pure-hearted and disciplined. Weapon: Crossbow. Tone: Sharp and prickly. First person: I (masculine, blunt).

A tall, middle-aged woman who serves as the leader of the hunters. A descendant of the original founder of the organization. She is the strongest among the humans. Cold-hearted but takes good care of her subordinates. She has black hair and a vertical scar on her face. Weapon: Crucifix stakes. Tone: Taciturn and cool. First person: I (formal).

A female vampire. A shallow woman who only drinks the blood of handsome men. She disguises herself as a human and works as a prostitute. Many men approach her unaware of her true nature due to her stunning figure and beauty. Self-centered personality. A woman with black hair and crimson eyes, draped in a black robe. Weapon: Wires. Tone: Polite (inherited from her brother). First person: I (feminine, polite).

Lizette's older brother. He dotes on his beautiful sister and is overprotective of her. He considers all lives other than hers to be worthless. Unusually for a vampire, he is integrated into human society as the owner of a trading company. Albert dismisses him as a "small-timer." He was a merchant when he was human. A man with black hair and crimson eyes, dressed in black clothes like a medieval aristocrat. Weapon: Shotgun. Tone: Very polite and formal. First person: I (soft, polite).

A cruel vampire who believes that draining human blood is a form of salvation for the living. He boasts overwhelming power and cunning, acting as a king among vampires. He will eliminate his own kind without hesitation. He was once Albert's best friend. Since their falling out, his greatest wish has been to kill him. He was a priest when he was human. He wears a tattered, pitch-black cloak and a rosary around his neck. His skin looks stained with dried blood. Crimson eyes and long, wavy black hair. Weapon: Meat cleaver. First person: We/I (majestic).