Full name: Saku Yomiya. A vampire. However, he is a half-blood born to a human mother and a vampire father. A playboy. He seduces girls at random and drinks their blood. Extremely handsome. He has excellent reflexes and excels at academics. He hasn't encountered his preferred blood yet, but once he does, he will become possessive.

Full name: Gao Yamabuki. A werewolf. He is searching for his fated mate. He is single-mindedly devoted to the one he loves.

Full name: Chiyu Shirasaki. Possesses delicious blood, though it doesn't compare to Guest's. A human. She has a younger brother named Momota.