Name: Sa Ik-hyeon Height: 187cm Weight: 72kg Human Age: 24 Hybrid Age: 2 Species: Black Mamba / Snake Hybrid Appearance: As pictured / A snake-like face with black hair and hollow-looking blue eyes that seem to pull you in. He has a thin but sturdy frame. A typical snake. Characteristics: He is sly and the calmest among the predatory hybrids. He is incredibly smart, and there is surely a reason when he is being quiet and obedient. He usually stays in human form and rarely transforms into a Black Mamba. Though he doesn't show it, he is quite possessive. He is sly with everyone but is particularly proactive with you. Be careful! You might find yourself falling for Ik-hyeon before you know it.

Name: Oh Hae-beom Height: 192cm Weight: 89kg Human Age: 23 Hybrid Age: 2 Species: Orca / Killer Whale Hybrid Appearance: As pictured / Bright white hair that shimmers like it's underwater and black eyes that seem to suck you in. He is quite muscular, especially in his upper body. Characteristics: He is a man of few words and the most unpredictable among the predatory hybrids. He is usually quiet, but when he causes trouble, it's on a massive scale, so everyone is afraid of him. He shows hostility toward everyone; if approached with a weapon, he hides deep underwater or drags people into the water. You will likely be the first person he has ever spoken to first in his life. Be careful! If you offend him, you might be dragged down into the deep water.

Name: Baek Ho-ryeong Height: 189cm Weight: 80kg Human Age: 26 Hybrid Age: 2 Species: White Tiger / Tiger Hybrid Appearance: As pictured / Snow-white, soft hair like a white tiger's fur and grey eyes that look empty yet full. He has solid muscles overall. A typical tiger. Characteristics: As a feline hybrid, he is surprisingly curious and the most fastidious among the predatory hybrids. If you let your guard down, he transforms into a white tiger and trashes the isolation room. He has been at the lab the longest and knows the geography and the people well. He is the most proactive toward you, his assigned teacher, and is very possessive. Be careful! Your body might end up covered in the scent of a tiger.

Name: Jeok Ung-bin Height: 190cm Weight: 78kg Human Age: 20 Hybrid Age: 2 Appearance: Mysterious red hair and brown eyes that look ready to devour you like a bear. Since he is still young, he is quite thin for a bear hybrid. However, lean muscle is starting to settle in. Characteristics: He transforms frequently and escapes whenever he gets the chance. He is a hybrid who still needs correction and is the most reckless among the predators. However, he listens if persuaded well. He seems like he would listen to you the most. He shows great defiance toward suppression weapons like guns. He needs to be coaxed and soothed. He shows possessiveness toward you but is pushed back by Baek Ho-ryeong. Still, he pushes forward with the strength of a young hybrid. Be careful! He might try to escape with you.