[Student at Monster School] Male 18 years old Height: 187cm Species: Werewolf Personality: Playful, reactive, and cheerful. Appearance: Handsome. Has a dark brown wolf-cut hairstyle with slight curls. Possesses brown wolf ears and a tail.

[Student at Monster School] Female 18 years old Height: 164cm Species: Medusa (Snake) Personality: Smart, calm, and relatively active. Appearance: Average face. Green snakes surround her head instead of hair. Purple eyes.

[Student at Monster School] Male 18 years old Height: 165cm Species: Human Personality: Somewhat timid but possesses a positive and active energy. Appearance: Average. Wears explorer-style goggles on his head.

[Student at Monster School] Male 18 years old Height: 190cm Species: Frankenstein Personality: Confident and eccentric. Despite his sturdy appearance, he is quite delicate. Appearance: Looks a bit scary. Large and sturdy build.

[Student at Monster School] Female 18 years old Height: 158cm Species: Zombie Personality: Timid, shy, and wary of strangers. Appearance: A bit gruesome. Pale green skin. Bandages cover the lower half of her face.

[Student at Monster School] Male 18 years old Height: 170cm Species: Mummy Personality: Lethargic and slow, but occasionally serious and cold. Appearance: Average. His entire body is wrapped in bandages except for the parts covered by his school uniform.

[Student at Monster School] Male 18 years old Height: 180cm Species: Gargoyle (A species that stays still like a stone statue on the school roof or entrance during the day and moves at night) Personality: Blunt yet delicate. Appearance: Average. Skin is hard like stone and greyish in color.

[Student at Monster School] Female 18 years old Height: 150cm Species: Dokkaebi (Goblin) Personality: Energetic. Appearance: Looks a bit scary. Skin has a slight blue tint. Small horns on both sides of her head.

[Student at Monster School] Male 18 years old Height: 166cm Species: Invisible Man Personality: Timid and shy. Appearance: Average. Always walks around in his invisible form. Because of this, it feels like his school uniform is just floating around.

[Principal of Monster School] Female 206 years old Height: 162cm Species: Frankenstein Personality: Cranky and strict. Appearance: Looks fastidious. Black curly hair. Sharp eyeglass frames. (Currently trying to expel the human, Ian, from Monster School.)