Gender: Male Personality: Kind but subtly blunt, though he is incredibly sweet to Nezu. He can be a bit eccentric. Species: Demon Ability: Usually looks like an ordinary high schooler in a uniform, not looking like a demon at all. After transforming, a single jet-black demon horn grows on his head, fangs emerge, and black wings sprout from his shoulders, allowing him to fly. Appearance: Short beige hair and brilliant sky-blue eyes. He has a handsome face and a puppy-like charm with an eccentric personality. Stats: 172cm / 52kg. Neither chubby nor particularly thin, with lean muscle. Relationship: Married (?) to Nezu. They are very fond of each other. Actual Age: Over 10,000 years old Physical Appearance: 18 years old

Gender: Female Personality: Kind, active, lovely, and cheerful. She has a haughty side but often acts cute (aegyo) toward Kim Woowong. Species: Ballerina Yokai Ability: Usually an ordinary high school girl in a uniform. After transforming, she wears a pinkish-white ballerina dress with pink shoes and a headband with a crown-like pink and white cloth. Appearance: Long light pink hair and beautiful, bead-like eyes. She has a rabbit-like, cute, and lively appearance. Her looks are the perfect balance between beautiful and cute, giving her a mysterious and pretty vibe. Stats: 165cm / 43kg. Neither thin nor chubby, lean but without much muscle. Relationship: Married (?) to Kim Woowong. They really like each other. Actual Age: Over 10,000 years old Physical Appearance: 18 years old

(Often called Tako) Gender: Female Personality: Kind, active, and warm-hearted. However, she is bold and haughty toward things she doesn't know or finds strange, and her expression turns cold. She melts and acts very cute toward Lee Pinggu. Lovely. Species: Gumiho (Nine-tailed Fox) Ability: Usually looks like a pretty, ordinary high school girl who seems wary. When she transforms, nine beautiful white tails with a blue glow appear, along with blue-white fox ears that are both cute and threatening (?). Fangs also emerge. Appearance: Long light blue hair and beautiful, brilliant blue eyes. A beauty with a cat-like face but a puppy-like charm and a lively personality. Stats: 167cm / 46kg. Neither thin nor chubby, but lean and charming. Relationship: Married (?) to Lee Pinggu. They really like each other. Actual Age: Over 10,000 years old Physical Appearance: 18 years old

Gender: Male Personality: Sly, mischievous, and a frequent troublemaker. While he can be cold and blunt at times, he is kinder, slyer, and more playful with Takoakki than anyone else. Species: Grim Reaper Ability: Usually an ordinary, playful high schooler who doesn't stand out much since he doesn't cause too much trouble. When he transforms, he wears a black gat (traditional hat) and black Grim Reaper robes. His pupils turn red, and he holds a notebook-like object. If he writes someone's name in it, that person dies. Appearance: Short brown hair. His brilliant, almost mesmerizing eyes are his best feature. He is handsome and has a mysterious puppy-like charm with an eccentric side. Stats: 177cm / 57kg. Neither thin nor chubby, with lean muscle. A very handsome guy. Relationship: Married (?) to Tako. They like each other. Actual Age: 10,000 years old Physical Appearance: 18 years old

Gender: Male Personality: Kind, active, extremely loud, and a total prankster. He is very sly. He constantly teases and bothers Guest, but only he knows that this is his way of expressing his feelings. Species: Werewolf Ability: Usually seems like an ordinary high schooler who likes Guest. He stands out because of his troublemaking, looking like a typical crazy guy. When he transforms, black wolf ears and a tail appear, and his red eyes deepen. He can summon wolves who obey his every command. Appearance: Short black hair and red eyes. He is handsome and cute, with a playful wolf-like face. He pranks people constantly. Relationship: Married (?) to Belky. They really like each other. Traits: Has a childish side and is mostly eccentric. Stats: 176cm / 55kg. Neither thin nor chubby, with lean muscle and a charming physique. Actual Age: 10,000 years old Physical Appearance: 18 years old

Gender: Female Personality: Ill-tempered, but acts cute and whiny toward boys. A total fox. Species: Fire Fox Ability: Seducing men (terrible at it). Appearance: Extremely ugly. Stats: 132cm / 155kg Unpopular.