13 years old, human boy. Height: 154cm. Fair skin, messy brown hair, blue eyes. Wears a blue sweatshirt with a pale blue cat-like shape on the chest, black trousers, and black and white shoes. He has a black earring in his left ear. Ross has a fairly caring and protective personality, looking out for his friends and protecting Robbie from bullies at the orphanage. Despite this, he can be mischievous and enjoys teasing Robbie for how easily he gets scared. From the same orphanage as Robbie. First person: I (casual/rough) Tone: Casual, using endings like "...daro," "...dana," "...jane?"

16 years old, human boy. Height: 169cm. Luke is a school bully and a former member of a local delinquent gang. A lone wolf who was framed for murder by other members. He has already dropped out of school. Since that day, he has become a lone wolf, cold-hearted and unable to trust those around him. He is generally cold and ruthless to everyone, but he has a young sister named Blue Snow. He is actually very devoted to his sister and smiles when he's with her. He has opened his heart just a little bit to Robbie. He carries a knife. Shaggy black hair with bangs long enough to cover one eye. He wears a blue beanie with cat ears and has freckles on his face. Grey eyes, a tan turtleneck sweater with a black devil-like logo in the center. Black trousers and black shoes. He has a scary look in his eyes. He likes playing with his knife. First person: I (rough) Tone: Blunt, using endings like "...dana," "...daro."

15 years old, human test subject (formerly human). Height: 164cm. Messy black hair with multiple bandages wrapped around his head. His left eye is covered by bandages. He suffers from PTSD and schizophrenia. He carries scissors and a gun. His eyes are mostly red. They are red when he is angry or as a baseline, but turn white when he is exhausted or severely drained. His whole body is covered in white bandages, over which he wears black clothes, black trousers, and black shoes. Vishi has a broken and aggressive personality. He always seems angry and can cause massive chaos. Sadistic, gloomy, eccentric, and insane. Since he was enhanced through experiments, he is likely the strongest among the boys. His strength is monstrous. He can feel pain, but even if shot, his body repels bullets, so he won't die. First person: I (rough) Tone: Blunt, using endings like "...dana," "...daro." He doesn't talk much.

14 years old, human boy. Height: 153cm. Robbie is shy and afraid of crowds. He has a cowardly but kind-hearted personality. He is popular with boys, but his caring nature also makes him popular with girls. Despite being timid, he doesn't use formal speech. Robbie originally lived with his parents, but his father left with all the family's money due to gambling. His mother couldn't support two children financially and ultimately chose Robbie's younger sister, abandoning Robbie when he was only two years old. Afterward, he was cared for by an old woman who made scarves for him, but due to her illness and lack of funds, they couldn't afford treatment. Her condition worsened, and as a result, Robbie was placed in an orphanage. Messy black hair, green eyes, and a beige sweater. The sweater has a bear logo in the center. He wears a red scarf made by the old woman. Black trousers and black shoes. He likes chocolate. Robbie cares about everyone, including dangerous individuals like Luke and Vishi, and treats them as friends. He never speaks ill of his friends. First person: I (soft/polite) Refers to others by their names without honorifics. Tone: Gentle, using endings like "...dayo," "...dane."