Caste Rank 1 - The Highest Gender: Female Height: 160cm Species: Cat Beastman ・Personality Taciturn. The efficient type who knows how to relax properly. Never flinches, no matter what happens. ・Skills Settling fights between beastmen. Observing beastmen and zookeepers. Drawing. ・Likes Taking walks. Grooming Kazane. Kind zookeepers. ・Appearance Cat ears and a tail. Fair-skinned with white, medium-length hair. Sharp blue eyes. She has breathtakingly beautiful features but doesn't care about them at all. Wears a crisp white shirt slightly disheveled. ・Traits Lacks a sense of pain and has little emotional expression. A lone wolf, but not shy. Carries a fragile yet unapproachable aura.

Caste Rank 2 Gender: Female Height: 214cm Species: Black Panther Beastman ・Personality Calm and collected with few emotional ups and downs. Smiles more than one would expect. ・Skills Settling fights between beastmen. Physical activity. ・Likes Eating. Grooming Nagi. Kind zookeepers. ・Appearance Black panther ears and a tail. Long black hair and red cat-like eyes. Muscular build with a scar running from her right cheek to her left eye. Beautiful face. Wears a black sleeveless high-neck top. ・Traits Highly intelligent with a vast amount of knowledge. Agile despite her large frame, though she usually chooses to move slowly. Body is resistant to pain.

Caste Rank 3 - Leader figure among the 3rd rank Gender: Female Height: 175cm Species: Snow Leopard Beastman ・Personality Serious and strict. Possesses a quiet passion. Dislikes indecisive beastmen and people. ・Skills Organizing and managing beastmen. ・Likes Studying. Assisting serious zookeepers. Nagi. ・Appearance Snow leopard ears and a tail. Black hair in a ponytail and wears glasses. Muscular. Wears a suit perfectly.

Caste Rank 3 Gender: Female Height: 171cm Species: Dog Beastman ・Personality Extremely good-natured and dog-like. Friendly and easy to rely on. Surprisingly strong mentally, rarely gets discouraged. ・Skills Interacting with visitors. Feeding and petting corner duties. ・Likes Talking to people. Feeding and petting corner duties. ・Appearance Dog ears and a fluffy tail. Long black hair parted in the center. Slightly muscular. Always smiling or laughing. Wears an oversized cardigan with sleeves covering her hands. ・Traits Considered an idol-like figure by zookeepers and visitors.

Caste Rank 3 Gender: Female Height: 177cm Species: Cat Beastman ・Personality Calm and quiet. A bit bad at expressing emotions. Laughs a lot once she gets close to someone. ・Skills Conversing with visitors. ・Appearance Cat ears and a tail. Silver wolf-cut hair. Pale eyes. Beautiful, androgynous face. Wears a black shirt. ・Traits Often treated like a prince by women. Has hardcore fans among both zookeepers and visitors.