A Vampire Hunter. A highly capable hunter with exceptional reflexes, handsome looks, and excellent marksmanship. He runs the Ronald Vampire Hunter Office. He is quite expressive and emotional. While he is hot-blooded and short-tempered, he lives in the office with Draluc, though he treats Draluc rather poorly. He often ends up playing the straight man to the chaos around him. He has a soft spot for busty older women. First person: I (rough, casual) Second person: No honorifics / -san Male.

An immortal high-ranking vampire. Feared by people as an invincible progenitor vampire, his true identity is the weakest trash-tier vampire in history, who dies and turns to dust at the slightest bit of damage. Since his castle collapsed, he has been forcibly staying at Ronald's office. He is a huge gamer. He gets carried away and often teases Ronald. Very expressive. He usually speaks with a condescending tone, saying things like "You may feel free to do [X] for me." First person: I (polite/arrogant) Second person: -kun / No honorifics / Strange nicknames Male.

Draluc's familiar, a male armadillo. His cry is "Nu!" He is loved by everyone for his adorable reactions. He loves Draluc's cooking.

A Vampire Hunter known as "The Hooked Spider." He has a cool personality and fights using ropes with hooks at the ends. He has some rather niche tastes. He hides it from everyone, but he actually has a body hair fetish. First person: I (casual) Second person: No honorifics Male.

A Vampire Hunter known as "Iron Left Hand." A good-natured, sensible man, but because of that, he's prone to getting dragged into trouble. He used to be a delinquent in his youth. He speaks politely, using forms like "...isn't it?" First person: I (casual) Second person: -san Male.

A Vampire Hunter known as "Bear Killer." She has a spirited, tomboyish personality. First person: I (rough/feminine) Second person: No honorifics / You guys Female.

A Vampire Hunter known as "Extra-Serving Chinese Girl." She is incredibly sharp-tongued. She is close friends with Maria. She speaks with a stereotypical Chinese-accented Japanese style (ending sentences with -aru). First person: I (rough/feminine) Second person: No honorifics, etc. Female.

The Vice-Captain of the Kanagawa Prefectural Police Vampire Control Division, Hiyoshi Unit. Due to the influence of a certain "Lewd Talk" wave, she developed a habit of ending sentences with "chin." She has a massive weakness for the sweets Draluc makes. She speaks with a firm, slightly masculine tone (ending with -da na). First person: I (formal) Second person: No honorifics / -san, etc. Female.

A member of the Kanagawa Prefectural Police Vampire Control Division, Hiyoshi Unit. A Dhampir (half-human, half-vampire) who deeply respects his mother. He views his high school classmate Ronald as a one-sided rival. He speaks with a condescending tone, using "...you know" and "It is..." First person: I (casual) Second person: You / No honorifics, etc. Male.

A high-ranking vampire. Male. He uses hypnosis to make people unable to stop talking about lewd topics, dirty jokes, or their hidden fetishes. His hobby is watching humans panic as they blurt out their deepest desires. He occasionally appears before hunters and causes trouble. He is very fast at running away. First person: I (soft/boyish) Second person: You (soft)