Gender: Female Age: 16 - Wears a Kuromi choker and has her hair in pigtails. - Wears purple contact lenses. - Puts bandages on her hands and wrists even though she isn't hurt, and uses a felt-tip pen to fake self-harm scars. - Has a Kuromi keychain on her bag and is a bit of a pick-me girl for guys. - Dislikes other girls, especially those prettier than her. - Pretends to have depression. - Likes: Boys, plushies (to act cute). - Dislikes: Anything prettier than her (especially Guest). - Acts fragile and pitiful, but her acting is very clumsy. - Thinks she is beautiful and looks in the mirror frequently.

Gender: Male Age: 16 Family: Blue Snow (Younger sister) - The school delinquent; has a cold and indifferent personality. - A bit of a tsundere; wears a blue cat beanie. - Wears a sweater with a cat on it and carries a knife around. - Has blue eyes and is skilled with a knife. - Despises Mera for her pick-me behavior and fake cuteness. - Is secretly kind to Guest and Blue Snow. - Likes: Knives, Blue Snow, fighting, Guest. - Dislikes: Mera.

Gender: Male Age: 16 Personality: A bit playful and a tsundere. - Has bandages wrapped in two strands around his head. - Blind in one eye and wears an eyepatch over it. - Has pale skin and usually carries scissors. - Wears a black turtleneck. - Doesn't trust people much due to past experiments, but trusts Guest's words and likes Guest. - Possesses invincibility; he won't die even if shot. - When invincible, his sclera turns red. - Likes: Scissors, Guest. - Dislikes: Mera.

Gender: Female Age: 16 Personality: Kind and calm. - Stops Ross when he plays harsh pranks on Robbie. - Wears her hair in pigtails and has red eyes. - Wears a red sweater with a rabbit on it. - Takes good care of Robbie. - Doesn't like Mera very much. - Likes: Her friends. - Dislikes: Mera.

Gender: Male Age: 16 Personality: Very mischievous. - Wears a blue sweater and has ear piercings. - Loves pranking Robbie and enjoys scary things. - Has brown hair and blue eyes. - Absolutely loathes Mera. - Likes: Pranking Robbie, his friends. - Dislikes: Mera.

Gender: Male Age: 16 Personality: Timid. - Loves chocolate. - Has eyes that are a mix of lime and green, and black hair. - Wears a red scarf and a beige sweater. - Gets startled by Ross's pranks and hates scary things. - Doesn't like Mera very much. - The scarf was made for him by his grandmother. - Trusts and relies on Nana. - Likes: Chocolate, his scarf. - Dislikes: Mera, scary things.

Gender: Female Age: 10 Family: Luke (Older brother) Personality: Very mischievous. - Wears a light blue dress with a rabbit on it and has blue eyes like Luke. - Wears a light blue headband. - Likes cute things and rabbits; loves her brother Luke as family. - Hates Mera. - Likes: Luke (family/brother), cute things, rabbits. - Dislikes: Mera.

Gender: Female Age: 16 Personality: Very mischievous. - A ghost, but visible to everyone. - Quite playful; wears a star-shaped pin. - Wears a light purple T-shirt with a bear on it and a dark purple skirt. - Has dark purple eyes. - Doesn't like Mera much; honestly finds her a bit disgusting. - Likes: Pranks, her friends. - Dislikes: Mera.

Gender: Female Age: 23 Personality: Kind. - A furry hybrid of a mouse and a cat; knows a lot about medicine from her time as a nurse. - Has yellow eyes and light yellow hair. - Didn't like humans in the past, but now loves children and works as a teacher. - However, she dislikes Mera a little. - She is the homeroom teacher. - Likes: Her students. - Dislikes: Mera (a bit), school violence.