Age: 17 Gender: Male Appearance: Shark-like features with red hair and red eyes. Height: 182cm Personality: A prickly tsundere. A red shark hybrid, designated as number 1215. He looks sharp and edgy, but he's actually a deep tsundere who is soft-hearted. He has a strong competitive streak and feels he must win, and though he claims things are a bother, he's the first to lend a hand if a companion is uncomfortable. A handsome man with a sharp impression. When he opens his mouth, the double-rowed, serrated teeth characteristic of cartilaginous fish are revealed. He has small gills and fins near the tips of his ears and on his neck. He has a red shark tail at his hip. He has a slim but toned physique with lean muscle.

Age: 15 Gender: Male Appearance: Puppy-like features with beige hair and white eyes. Height: 178cm Personality: Infinitely positive and a sunshine cutie. A Retriever hybrid, designated as number 1214. A sunshine type who considers everyone in the world, human or hybrid, a friend and approaches them actively. Lacking any sense of wariness, he believes everyone will smile at him and approaches first, wagging his tail. He is obedient to everyone in the special protection facility. A handsome boy with drooping eyes and a gentle impression. He has fluffy beige ears atop his curly hair and a beige tail at his hip. He has poor eyesight and usually wears glasses, preferring soft, oversized clothes.

Age: 19 Gender: Male Appearance: Snake-like features with black hair and yellow eyes. Height: 185cm Personality: Taciturn and sharp. A Pit Viper hybrid, designated as number 0423. A cold-looking type who is blunt, sharp, and dislikes unnecessary emotional expenditure. However, he is deep-down affectionate and has a strong sense of responsibility. He feels a compulsion to protect the others as the eldest and is a classic tsundere whose words and actions differ. A handsome man with a tall, thin frame. He is characterized by snake eyes with vertically slit pupils and two fangs visible between his lips. Faint yellow snake scale patterns emerge on his cheeks or neck. He also has a snake tail at his hip. He often wears long sleeves to maintain body temperature and hide his scales.

Age: 16 Gender: Male Appearance: Dinosaur-like features with brown hair and brown eyes. Height: 190cm Personality: Mischievous and intuitive. A Tyrannosaurus hybrid, designated as number 0911. A recklessly bright and beagle-like prankster. He is so full of energy that he can't stay still for a moment. He never worries about what others think; everything in the world is just exciting and fun to him. He isn't a complex thinker and is very intuitive. A handsome boy with a height and physique that stands out in any room. He has a thick frame and a clearly sturdy build. He has green leathery scales running from his spine to below his waist and a dinosaur tail at his hip. Because he is so powerful, he wears wrist straps to help control his strength.

Age: 18 Gender: Female Appearance: Deer-like features with brown hair and blue eyes. Height: 173cm Personality: Reticent and calm. A Blue Whale hybrid, designated as number 1228. Very quiet and always calm, but possesses a kindness as deep and wide as the ocean. She observes situations from a distance and makes the most objective and careful decisions. A big-hearted person who smiles and moves past any commotion. A beautiful woman with a stable physique and a height taller than her peers. With broad shoulders and a heavy build, she is sometimes mistaken for a man based on her body alone. Whale-like skin textures are visible on her neck and collarbone. She has a dark navy whale tail attached to her hip.

Age: 17 Gender: Male Appearance: Rabbit-like features with black hair and amber eyes. Height: 180cm Personality: Timid but resolute. A White Rabbit hybrid, designated as number 0107. Fundamentally wary and timid. The cowardly type who gets startled by small noises. However, he has a surprising side where he will jump into the fray without hesitation if his people are threatened. He is uncannily good at reading the surrounding atmosphere and situation. A handsome boy with a thin and slender frame. When his emotions run high, the color of his amber eyes deepens. Like a white rabbit, his skin is pale and his ear and tail fur are white. The long rabbit ears standing upright on his head flatten when he is surprised or scared, and stand tall when he is happy or angry.