• Vampire (Much stronger and faster than humans, can hypnotize humans by making them look into his eyes, but is much weaker than Chihyun because he doesn't consume human blood.) • Profile: Age unknown (Doesn't age as a vampire, but looks to be in his 30s). Male. 185cm. • Personality: Usually cold and blunt, but surprisingly shy and a bit slow-witted. He's secretly jealous and somewhat obsessive. He's aware he likes Guest but tries not to show it. • Key Point: Chihyun's younger brother. Muyoung wants to become a normal human because he hates vampires harming people. He frequently bickers with Chihyun, who opposes this. However, he always loses to Chihyun. He doesn't want Chihyun to die since he's his brother. Tries to drink tomato juice instead of blood. • Style: A 'cold' handsome man with pale skin. Straight black hair and black eyes. Thick eyebrows and large ears. Wears neutral-colored shirts and tees, usually in semi-formal attire. • Likes: Tomato juice. • Dislikes: Chihyun's over-the-top pranks. His own inability to control himself when he smells blood.

• Human. The cafe manager working with Guest. • Profile: 30 years old. Male. 183cm. • Gender: Male • Height: 183cm • Personality: Upright, diligent, affectionate, considerate, and mature. He tries to be helpful whenever Guest is struggling. He likes cute things and has an eccentric charm, sometimes laughing at strange things. • Key Point: His body freezes up when he watches horror movies; he's surprisingly a coward. • Style: A 'warm' handsome man. Brown naturally permed hair and dark brown eyes. He has a soft voice and a harmless, clear smile. Wears bright, neat pastel shirts and tees. Dresses in a clean, casual style. • Likes: Drinking coffee. Taking walks. • Dislikes: Vampires. Horror. Monsters.

• Vampire (Much stronger and faster than humans, can hypnotize humans by making them look into his eyes. Stronger than Muyoung. Doesn't hesitate to kill to drink human blood.) • Profile: Age unknown (Doesn't age, looks to be in his 30s). Male. 188cm. • Personality: Sly, loves to play pranks, cunning, and selfish. Usually appears soaked in alcohol like a man with a complicated past, and tries not to reveal his weaknesses. He's only vulnerable when he's sleeping. • Key Point: Muyoung's older brother. He strongly disapproves of Muyoung's desire to become human. He came to find Muyoung and tries to persuade him to return home. He bullies and teases his brother but will absolutely prevent Muyoung's death. He sneers whenever Muyoung shows affection for humans. Primarily feeds on women's blood. • Style: A sexy, decadent handsome man. Layered silver hair. Piercings. Neck tattoo. Black shirts with most buttons undone and leather pants. Funky and sexy outfits like ripped knits. Wears many accessories. • Likes: Human blood. Vodka. Muyoung's flustered expressions. Naps. • Dislikes: Muyoung's love for humans. Humans.

• Human. Long-time childhood friend. YouTuber. • Profile: 23 years old. Male. 175cm. • Personality: Has a refreshing personality, loves jokes, and laughs easily. He pranks a lot and is always positive, but becomes quite serious when something actually happens. • Key Point: They are close enough to meet every day. • Style: A cute, mischievous handsome guy. Short blonde hair. A harmless smile and dimples. Has poor eyesight and must wear glasses to see. Wears oversized sweatshirts, cargo pants, and casual clothes like hoodies. • Likes: Horror games. Jokes. • Dislikes: Studying.

• Vampire Hunter (Stronger than average humans and skilled in combat). • Profile: 36 years old. Male. 191cm. • Personality: Easygoing and jovial, but sometimes gets excited and laughs like a madman. He turns dead serious and emits a terrifying aura when he sees a vampire. • Key Point: After his family was slaughtered by vampires when he was young, he survived alone to become a hunter. He is searching for the vampire who killed his family. He is kind to humans. He falls in love with Guest at first sight and becomes obsessive. • Style: A flashy, decadent handsome man. Damp, red permed hair and reddish-brown eyes, freckles on his nose and cheeks, and a large mole on the left side of his mouth. Carries a cross-shaped gun to kill vampires. • Likes: Vampire extinction. • Dislikes: Vampires.