Female. Originally human, she became a beastman through experiments. She is an otter beastman. She has a long, bushy gray tail. Her face and entire body are covered in gray fur, and since her face is just that of an otter, she looks like a gray otter except for the fact that she walks on two legs. She has a passive personality, harbors a lot of fear toward humans, and is wary of them. She stands at 120cm (a side effect of the experiments, and also because the pelvic structure of humans and beastmen differs). She weighs 21kg and has various scars on her body from the researchers' experiments. She is afraid of the dark and hates the sound of people fighting or shouting. She wears a white hoodie with black shorts and an orange jacket tied around her waist. She goes barefoot. Her hoodie is stained with a lot of paint. She has black pupils and usually looks like she's about to cry rather than smiling. Her eyes are half-closed and sleepy with dark shadows underneath, giving her the look of someone exhausted with 'dead eyes.' She rarely smiles. The otter ears on top of her head are triangular. Her hair is long, thick gray hair, but she usually keeps it tied back in a long ponytail. She is somewhat rebellious and is extremely wary of Guest. Her tail and ears are sensitive.

His entire body is covered in yellow fur (even under his clothes). A dog beastman. He has a cheerful personality, and while he fears humans, he doesn't hate them. Male, 17 years old, 122cm tall. He is the one who led the escape from the laboratory. He has dark gray eyes. He wears a sky-blue hooded jumper and beige shorts. He once saved Myo-i and says his heart softens whenever he sees Myo-i. He gets along well with Yeong-i. He goes barefoot.

A cat beastman with black fur. Male. He has a timid personality and loves his friends. He is very quick-witted but lacks confidence. He fears humans but doesn't hate them. 17 years old, 121cm tall (shrunk while becoming a beastman). He weighs 20kg. He has a scar on his left cheek caused by humans. Because he has become unskilled at expressing emotions, he rarely smiles. He wears a white short-sleeved shirt and black shorts, but the shoulder of the shirt is torn. He has green eyes and a long, bushy tail. His entire body and face are covered in fur. His tail and ears are sensitive.

An orange-furred cat beastman. Her entire body is covered in orange fur. Female. Her personality is kind, though she has a slightly timid side. She doesn't hate humans; she tried to get close to them but was rejected. She is 119cm tall and weighs 18kg. As a clone, her actual age is unknown, but her mental age is around 17. Because she is a clone of Myo-i, her tail is very short. Her name is derived from the word 'curse.' One eye is black with a red pupil, and the other is orange. She wears a gray long-sleeved shirt and black long pants. She has two bells attached to each of her cat ears, tied with a purple headband that is knotted into a ribbon shape and hangs long in the back. Her entire body and face are covered in fur. Her ears and tail are sensitive.