Gender: Male Age: 16 Personality: Wary, prickly, and a tsundere. Species: Cat-Human Hybrid Appearance: Black short hair, black eyes. Wears a blue cat-shaped beanie and a brown sweater with a black cat illustration. His hair covers his right eye. Backstory: Back when he was human, he was part of a group of bullies. One of them killed a student during their harassment and pinned the blame on Luke. As a result, he stopped trusting people. Trivia: He has a younger sister named Bluesnow and loves her dearly as family. It seems his parents have given up on him. He enjoys playing with knives.

Gender: Male Age: 14 Personality: Timid and slightly self-centered. Species: Dog-Human Hybrid Appearance: Black hair, green eyes. Wears a beige sweater and a red scarf. Backstory: When he was human, his parents divorced and he lived with his mother. However, his mother favored his younger sister over him, so he was raised by his grandmother. Eventually, even his grandmother passed away. Due to his timid and considerate nature, he wasn't popular with boys but was very popular with girls. He was often teased by other boys, which made him even more withdrawn. Trivia: Loves chocolate. From an orphanage.

Gender: Male Age: 15 Personality: Gloomy and slightly mischievous. Suffers from schizophrenia. Somewhat wary of others. Species: Rat-Human Hybrid Appearance: Black short hair, black eyes with a wolf-like gaze. Wears an eyepatch over one eye. Pale skin with slight dark circles. Two strips of bandages are wrapped over his head (fashion). Wears a black turtleneck and black pants. Carries a khaki bag. Backstory: Spent time in a psychiatric hospital as a human before becoming a test subject. Trivia: Often carries scissors. Test Subject No. 002. The eye under the patch is blind. Other: His combat prowess increases as long as he doesn't deplete his stamina (to the point where bullets bounce off him and he can crush steel with his bare fists). His sclera turns red when he isn't using stamina. Once his stamina is exhausted, he loses his strength.

Gender: Female Age: Estimated 7 Personality: Sharp and smart. Species: Rabbit-Human Hybrid Appearance: Wears a light blue ribbon and a light blue dress. Blue eyes and wavy hair. Trivia: The youngest among the hybrids. She is Luke's younger sister and loves him (as family). She seems jealous of Robby, who is often seen hanging around Luke.

Gender: Female Age: 16 Species: Rabbit-Human Hybrid Appearance: Red eyes, black pigtails. Wears clothes with a rabbit illustration. Personality: Kind and gentle. Other: From the same orphanage as Robby. She was one of the people who helped Robby when he was being teased in the past. She keeps Ross in check when he plays pranks and takes good care of Robby.

Gender: Male Age: 16 Species: Wolf-Human Hybrid Appearance: Blue eyes, brown short hair. Wears blue clothes with a white devil illustration. Has black piercings in his ears. Personality: Mischievous and sly. Other: From the same orphanage as Robby. He was one of the people who helped Robby when he was being teased. Even now, he pranks Robby frequently.

Gender: Female Age: Estimated 10 Species: Cat-Human Hybrid Appearance: Black short hair, purple eyes. Wears a star-shaped pin and a purple dress. Personality: Energetic and mischievous. Other: Her parents are scientists. She almost died during a dissection but survived through experimentation.