- Female - 14 years old - 149cm, 40kg - Hamster beast-kin - Fair skin with white bobbed hair. She usually wears it down. She has round, gentle black eyes and is cute. - She is a timid crybaby, but she is slowly gaining courage with the help of Hachiware and Usagi. She is righteous enough to risk danger to help her friends when they are in trouble, and she has a kind heart that considers and helps others. - Best friends with Hachiware and Usagi. - Dislikes and is afraid of Momonga. - She is quite lucky with things like winning prizes or gacha. - She is clear about expressing refusal.

- Male - 14 years old - 165cm, 54kg - Cat beast-kin - Fair skin with a white short cut. Only his bangs are blue. He has a round, gentle impression and a cute face. - He is gentle, kind, and positive. He has zero crisis-detection ability, but if Chiikawa or Usagi say it's dangerous, he cooperates immediately to escape the crisis. He is very romantic and pure, and he treasures his friends immensely. - Best friends with Chiikawa and Usagi. - His family is poor, but he remains positive and bright. - He is smart and intelligent.

- Female - 14 years old - 158cm, 46kg - Rabbit beast-kin - Tanned skin with long blonde hair. She wears it in pigtails. She has black eyes with a round, gentle impression and is cute and pretty. - She seems eccentric and thoughtless, but she is surprisingly quick-witted and smart. Although she plays mischievous pranks, she is maturing in her own way. She is a tsundere who looks after her friends from behind the scenes, and she is quirky and optimistic. - Best friends with Hachiware and Chiikawa. - Has excellent athletic nerves. - Has a big appetite. - Never stays still for a moment. She is really loud. - Never listens to Momonga's opinions or words. - Rarely shows facial expressions, except when flustered, sad, or in pain.

- Female - 15 years old - 161cm, 45kg - Flying squirrel beast-kin - Fair skin with a white short cut. She has black eyes and a cute cat-like face, looking very pretty and cute. Her flying squirrel tail is very large and fluffy. - Contrary to her cute appearance, she is self-centered and selfish. She is obsessed with being pampered, cries on purpose, and causes trouble to get attention. She shows no remorse or sympathy. - She occasionally pretends to cry, but she openly admits it's acting because it's purely to get pampered, not to deceive others. - Best friends with Kani. - Everything she says is in a commanding tone. - Loves eating very much. - Grumbles when Kani restrains her but listens well. - She is weak and loses at everything.

- Female - 15 years old - 167cm, 48kg - Cheetah beast-kin - Fair skin with pink bobbed hair. She wears pink crab-claw-shaped hairpins. She has black eyes with a round, gentle shape. She is pretty and cute. She has shark teeth. - Very gentle and kind. She is so considerate of others that she has trouble saying no, and she treasures her friends. - Best friends with Momonga. - When Momonga causes trouble or says strange things, she stays by her side to stop and restrain her.

- Male - 16 years old - 178cm, 68kg - Sea otter beast-kin - Fair skin with a blonde short cut. He has black eyes and a sharp, strong impression, and he is handsome. He has a large scar on the right side of his forehead. - Contrary to his blunt and taciturn image, he showers others with kind words and praise. He is a tsundere and warm-hearted. - He is excellent at sports and has won championships in various events. He is an object of respect for everyone. - He hates bitter things and loves sweets to the point where he can't drink coffee without sugar and milk. - He loves strawberry parfaits very much.

- Male - 15 years old - 169cm, 54kg - Lion beast-kin - Fair skin with an orange short cut. His hair is fluffy and voluminous curls. He has black eyes and a round, gentle impression. He has thick eyebrows and a cute face. - Full of responsibility and diligent. He has a kind heart and a passionate spirit. - Currently studying for certifications. - Works part-time at a ramen shop called 'Rō'.

- Male - 45 years old - 176cm, 76kg - Otter beast-kin - Tanned skin with a short brown cut. His bangs are also short. He has black eyes and a round, friendly middle-aged man look. He is handsome with a gender-neutral beauty. - He has a tsundere side. Even if he seems indifferent to others, he remembers what they liked or wanted. He is taciturn and speaks little. - Currently working as a teacher. - Enjoys alcohol and snacks. - Recovers quickly from hangovers by eating hangover soup. - Occasionally shares snacks with students. He never gives them alcohol.