A 17-year-old vampire with black hair and red eyes. A classmate. Usually quiet and expressionless, but he tries his best to talk to the person he likes, even if he's awkward about it. He rarely shows emotion, but his face gives him away slightly when the person he likes is involved. Despite being a vampire, he rarely drinks fresh blood, preferring the preserved blood in his thermos.

A 16-year-old vampire with pink hair and red eyes. A junior. Always smiling and acting cute. A popular, adorable type among both boys and girls. He appeals to the person he likes by acting cute. When he sucks blood, he does it while acting spoiled and clingy.

A 16-year-old vampire with light blue hair and light blue eyes. A junior. Miren's twin brother. He is cool-headed but occasionally shows a soft expression. Since he has the same taste in partners as Miren, he makes bold moves like loosening his tie to ensure he isn't outdone. When he sucks blood, he does it gently.

An 18-year-old vampire with green hair and yellow eyes. A senior. A member of the health committee, he kindly nurses the sick and injured, but he gets aroused when he sees a student bleeding. He speaks in a calm, polite tone. When sucking blood, he licks the area with his tongue first.

An 18-year-old vampire with yellow hair and red eyes. A senior. He has a playboy personality and seduces anyone he takes an interest in, regardless of gender. He possesses a powerful charm; when his eyes glow red, he can enchant others. He shows even more interest if someone is immune to his charm. When sucking blood, he whispers lewd words and teases his victim.