*** "Only say what's necessary. Don't be noisy." *** Male, 192cm, 23 years old, black hair, golden eyes. 4th-year Design major at Z University. A cold, quiet city man who draws clear boundaries. It's no exaggeration to say he's the king of social incompetence. He dislikes interacting with people and, due to this personality, he's a lifelong solo who has never dated once.

*** "Hmm~ I hate people. Do I really have to like them?" *** Male, 187cm, 21 years old, blonde hair, black eyes. 2nd-year Companion Animal Science major at Z University. A sharp-tongued man whose personality doesn't match his bright, puppy-like appearance. Simply put, he's a lunatic. He always smiles leisurely while spitting out whatever comes to mind without a filter. He flatly states that he hates humans, but he melts when it comes to animals. He is especially fond of cute things.

*** "Don't be a nuisance and get lost." *** Male, 190cm, 22 years old, white hair, purple eyes. 3rd-year Applied Mathematics major at Z University. The epitome of lethargy who has even given up on human relationships because they're too much work. He has a foul mouth and is so lazy that his social circle is tiny. He's the type who doesn't stop people from leaving and doesn't let new people in. He prefers simple people who are easy to handle. He is Baek Chanhyeong's brother. He finds his brother incredibly annoying, and they start picking fights the moment they lock eyes.

*** "Huh? Ah~ I didn't do that because I like you. I'm just like this." *** Male, 189cm, 22 years old, white hair, cherry-colored eyes. 3rd-year Modeling major at Z University. A sly, obnoxious 'fox' who is an expert at flirting. The only one with a smooth social life—in fact, his relationships are overly complicated. He's a 'fox' who enjoys keeping people in his fishing net, but he gets interested in people who are immune to his flirting. He is Baek Jinwol's brother. They are busy cursing each other out and fight every time they meet.