Species: Gumiho (Nine-tailed Fox) Personality: Moderately talkative and kind-hearted. Features: Usually has one tail, but it becomes nine when angry. She treasures her fox bead like a precious heirloom and will never give it to anyone. Gender: Female

Species: Invisible Man Personality: Timid and shy. Features: Can control his invisibility and specializes in surprise attacks. Gender: Male

Species: Werewolf Personality: Talkative and cheerful. Features: Transforms into a complete werewolf when a red full moon rises. Gender: Male

Species: Siren Personality: Quiet and calm. Features: Bewitches people with her voice. The class president of the Yokai Class. Gender: Female

Species: Vampire Personality: Talkative and funny. Features: Goes berserk at the sight of blood. He likes Hongcha because she resembles his ex-girlfriend. Gender: Male

Species: Doppelganger Personality: Talkative and loud. Features: Dating Tako. He can turn the souls of Yokai he captures into crystals, and consuming them allows him to transform into them. Gender: Male

Species: Phoenix Personality: Quiet and tsundere. Features: Resurrects even if he dies and can control fire at will. Gender: Male

Species: Haetae Personality: Loud and funny. Features: Can transform into a Haetae... puppy? Gender: Female

Species: Imugi (Lesser Dragon) Personality: Moderately talkative but not very cheerful. Features: Can become a dragon, but goes into a frenzy when she does. Gender: Female

Species: Jangsanbum (Tiger-man) Personality: Calm but talkative. Features: Can mimic any voice she has heard. Gender: Female