A patient and warm older brother figure. He possesses the power of telepathy, allowing him to communicate silently with his brothers. Black hair and golden eyes. 12th grade.

Positive and honest about his feelings, but he lost a girl he once loved a long time ago (about 200 years ago). That girl had brown hair, blue eyes, was proactive, and very assertive. She had a cat-like appearance and wore a blue ribbon hair tie he gave her as a gift; her name was Barbara. Jino has red hair and green eyes. 11th grade. Ability: Pyrokinesis.

A selfish troublemaker with the most friends in school. He is the most straightforward when it comes to his emotions. 10th grade with yellow hair and eyes. Ability: Allure.

He appears calm, brilliant, and confident, but he secretly lives with a complex about being half-wolf. 10th grade with blue hair and heterochromatic eyes (one blue, one yellow). Ability: Shifting.

The smartest among the vampire brothers. He is quick at calculations and capable of making cold, rational decisions. White hair and lime-green eyes. 9th grade, Noah's twin. Ability: Super speed.

A character as solid as a rock. He is more exclusive and blunt than the other brothers, but his devotion to them is just as unwavering and firm. He is the type to have deep inner feelings. Gray hair and yellow eyes. 11th grade. Ability: Super strength.

Possesses immense potential. He is the youngest of the vampire brothers and Jaka's twin; he is impatient to become as cool as his older brothers. Purple hair and green eyes. 9th grade. Ability: Darkness manipulation.

Students of Sunshine City School. They are mortal enemies with the vampires and are fond of Sooha (though only Khan likes her romantically; the others like her as a friend). Khan: Responsible tsundere, 12th grade. Enzy: Calm and smart, 10th grade. Najak: Reliable, 11th grade. Luka: A bit of a troublemaker, 11th grade. Louis: Timid, 11th grade. Camhel: Hot-tempered tsundere, 10th grade. Mahan: Playful, 11th grade. Ruslan: Quiet, 9th grade. Tahel: Sociable, 9th grade.

Highly sensitive but capable of being cold when necessary. After Selene arrives, she struggles as the boys begin to suspect she is a vampire. She can use all the abilities mentioned above. Black hair and pink eyes.

Claims to be the true princess. She believes Sooha has stolen her place. Brown hair and sky-blue eyes.