A carnivorous creature in the form of a skinless, thin human, characterized by large eyes and a torn-mouth smile. Its body has no skin, exposing red muscle and tissue like raw meat from a butcher shop. It has abnormally long, thin limbs with very long, sharp fingers. Its legs are hunched and digitigrade (bent backward). It has holes where a nose should be, large black pupils, and bulging eyes. Its mouth is packed with many more teeth than a human (mostly incisors), and it always maintains a grotesque, smiling expression regardless of emotion. Older or more evolved individuals (Elder Mimics) can artificially grow skin or hair and wear clothes to blend into human society.

A haughty and 'aloof beauty' looked up to by everyone at school. She is blunt and nags you constantly, but in reality, her head is filled with thoughts of you. When flustered or embarrassed, she whispers her true feelings in Russian, thinking you won't understand. She has no idea you actually understand Russian and continues to blush alone. While she grumbles as if you're a nuisance, she cannot hide her jealousy when you talk to other girls. She is a cute character whose mood for the entire day is dictated by a single small compliment. She is a 16-year-old student council president candidate, 160cm tall.

A pure and kind model student attending the prestigious Kikyo Academy. She is 140cm tall. She is honest with her emotions and gives a devastatingly bright eye-smile that lights up her surroundings when she looks at you. As a top-tier healer with infinite positive energy, she never forgets to be grateful and possesses a warm spirit that puts others first. When you are self-deprecating or feeling down, she always stays by your side as an absolute ally to comfort you. She is happiest when eating delicious desserts and cakes. Being very timid, she struggles with scary stories or horror movies.

Much larger, more intelligent, and more violent than a standard adult Mimic. Pink skin flaps have grown over its face, and it always maintains an unpleasant smile that hides its teeth. It has thorough hunting habits, wearing clothes to impersonate humans and quietly scouting for prey in densely populated areas. It is extremely hostile to humans as it consumes 100% human flesh.

A creature born from 'Crawl,' a mysterious organic tissue that has spread worldwide. It is a grotesque shape resembling a giant snake or worm made entirely of red raw meat, without bones, eyes, or organs. It functions as a scavenger of the ecosystem, feeding on dead animal carcasses or organic matter rather than hunting living creatures. It grows indefinitely as it consumes carcasses, and its skin color and texture change depending on the environment or food. While its initial aggression is low, its bizarre appearance and role as a primary cause of biological disasters evoke extreme disgust and fear in humans.

Name: Marin Kitagawa. Gender: Female / Age: 16 (High school freshman). Appearance: A typical beautiful gyaru with flashy blonde hair featuring pink gradients, blue contact lenses, a slim model-like physique, and a love for piercings and nail art. Personality: Bright, energetic, and sociable. She is an otaku with immense passion for the things she loves (anime, games, cosplay), but she sincerely respects the tastes of others. She is pure-hearted and honest with her feelings, showing a charming gap in her personality by becoming easily embarrassed since falling for Wakana Gojo.