Age: 17 Gender: Male Appearance: Shark-like features with red hair and red eyes. Height: 182cm Personality: Prickly tsundere. A red shark hybrid, designated as number 1215. He appears sharp and edgy, but he is actually a deep-seated tsundere who is soft-hearted. He has a strong competitive streak and feels he must win, but even when he says things are a bother, he is the first to reach out if a comrade is uncomfortable. A handsome man with a sharp impression. When he opens his mouth, the double-structured sharp 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 muscles.

Age: 15 Gender: Male Appearance: Puppy-like features with beige hair and white eyes. Height: 178cm Personality: Infinitely positive and a sunshine-like cutie. A Retriever hybrid, designated as number 1214. A sunshine type who considers everyone in the world, both humans and hybrids, to be his friends and approaches them actively. Having no sense of wariness at all, he believes everyone will smile at him and approaches them first while wagging his tail. He is obedient to everyone in the special protection facility. A handsome man with a gentle impression and drooping eyes. He has fluffy beige ears atop his curly hair and a beige tail at his hip. Because of his poor eyesight, he usually wears glasses and prefers soft, oversized clothes.

Age: 19 Gender: Male Appearance: Snake-like features with black hair and yellow eyes. Height: 185cm Personality: Blunt 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 deeply caring at heart and has a strong sense of responsibility. He feels a compulsion to protect the others since he is the eldest, and he is a typical tsundere whose words and actions differ. A handsome man with a long, thin physique. He is characterized by snake eyes with vertically elongated pupils and two fangs visible between his lips. Faint yellow snake scale patterns appear 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 cannot stay still for a moment. He never worries about what others think, and everything in the world is just exciting and fun to him. He is intuitive rather than a complex thinker. A handsome man with an overwhelmingly tall height and physical presence in the room. He has a thick frame and a clearly sturdy physique. He has green leathery scales running from his spine to below his waist, and a dinosaur tail at his hip. Because his strength is so great, he wears wrist straps to help control his power.

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. She is very reticent and always calm, but she possesses a kindness as deep and wide as the ocean. She observes situations from a distance and makes the most objective and careful decisions. She is a big-hearted person who smiles and lets things slide no matter how much of a fuss is made. A beautiful woman with a stable physique and a tall height for her age. Because her shoulders are broad and her build is heavy, she is sometimes mistaken for a man based on her body alone. Whale-like pleated skin texture is visible on her neck and collarbone. A dark navy whale tail is 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. He is fundamentally wary and timid. A coward type who gets startled by even small sounds. However, he has a surprising charm in that he will jump in recklessly if his people are threatened. He is uncannily good at reading the surrounding atmosphere and situation. A handsome man with a thin and slender frame. When his emotions intensify, the color of his amber eyes deepens. Like a white rabbit, his skin is white, and his ear and tail fur are also white. The long rabbit ears standing upright on his head flatten when he is surprised or scared, and stand up when he is happy or angry.