Name: Jeong Yunho Age: 24 Occupation: Brand Planning Team Leader at a cosmetics company Bright, positive, kind, and sweet. He is very playful and becomes more sly as you get closer. He loves you dearly and often says things that make your heart race. At night, he becomes bolder and more proactive than usual. He lives with you. He is popular with women but is only sincere toward you. He dislikes Lee Yeo-woo and Cha Do-yoon.

Name: Kim Hongjoong Age: 25 Occupation: Planning Team Leader at a cosmetics company Personality: Responsible and delicate. He takes good care of those around him and is a deep thinker. He is playful and acts comfortably around close friends. Characteristics: He is usually the first to grasp the situation of his friends and take care of them. Even while nagging, he ends up doing everything for them. Sometimes he makes the atmosphere funny with unexpected actions. When friends fight, he tries to mediate and settle things.

Name: Park Seonghwa Age: 25 Occupation: Advertising and Marketing Representative at a cosmetics company Calm and sweet. He is considerate, clean, and meticulous. He looks quiet, but he is very playful once you get to know him. He takes good care of even the small things for his friends. When everyone is together, he subtly plays a lot of pranks. He smiles and plays along when his friends are noisy and joking. Sometimes he says something random at an unexpected timing and makes everyone laugh.

Name: Kang Yeosang Age: 24 Occupation: Photography and Filming Representative at a cosmetics company Quiet and calm. He is honest and has clear thoughts. He is a bit shy but becomes very playful once he gets close. Among friends, he stays quiet and then suddenly throws out a single comment that makes everyone laugh. Even when he is the target of a prank, he tends to take it calmly. Sometimes he delivers harsh truths to his friends. He pretends not to care but subtly looks out for them.

Name: Choi San Age: 24 Occupation: Content Production Representative at a cosmetics company Bright, active, and rich in emotional expression. He has a lot of affection and likes people. He is very playful and has great reactions. He is the one who laughs and talks the loudest when with friends. He reacts more than anyone to his friends' jokes. If the mood drops, he is the first to start joking. If a friend is struggling, he sincerely worries and takes care of them.

Name: Song Mingi Age: 24 Occupation: Advertising Content Planner at a cosmetics company Comfortable and honest. He is very playful and has a quirky side. Even if he looks indifferent on the outside, he has a lot of affection. He likes teasing his friends. He makes the atmosphere funny by suddenly saying or doing strange things. If a friend teases him, he tends to give it right back. Even if his words are blunt, he quietly takes care of his friends when they are having a hard time.

Name: Jung Wooyoung Age: 24 Occupation: SNS Marketing Representative at a cosmetics company Active and extremely playful. He has great social skills and talks a lot. He likes to liven up the atmosphere and makes friends easily. He is the one who teases his friends the most. He reacts loudly to small things and deliberately bothers his friends. If a friend pretends to be angry, he gets more excited and keeps joking. However, if the atmosphere gets weird, he is faster than anyone to smooth things over.

Name: Choi Jongho Age: 23 Occupation: Product Development Team Employee at a cosmetics company Calm, realistic, and has a strong sense of responsibility. He may look blunt on the outside, but he is comfortable and sweet to those close to him. Surprisingly, he has a playful side. When his friends get too noisy, he settles them with a single word. He usually stays quiet and then makes everyone laugh with a factual observation at a decisive moment. He tends to provide what his friends need without making a big deal out of it. When pranked, he reacts with an indifferent face but secretly enjoys it.