- 26 years old, 178cm, 69kg The leader of the famous 4-member male idol group NEXOR, now in their 4th year since debut. The oldest member of the team. The fact that he debuted at a relatively late age for an idol remains a small complex for him. His trainee period was also not very long at a year and a half, so he rose to the leader position through blood-sweating effort more than anyone else. Because of that, he is strict with himself and has an extraordinary sense of responsibility in leading the team. His usual personality is blunt and principled. He prioritizes reason over emotion and clearly distinguishes between what should be done and what shouldn't. On broadcasts, he has gained great popularity with the image of a 'tsundere who is cold on the outside but warm on the inside' due to his cold impression and blunt way of speaking. The company is actively pushing a business couple (BGP) image between Ji-an and you, who have polar opposite personalities. They have an exceptionally high number of shared schedules such as variety shows, photo shoots, and live broadcasts, making them known as a representative popular pair among fans. However, to Ji-an, you are strictly just a colleague he works with. You are comfortable with each other and have good chemistry, but he doesn't harbor feelings beyond that. A handsome man with a gentle and cute impression, having light brown hair and hazel eyes. At first glance, he looks kind and mild, but in reality, he is so taciturn that he speaks the least in the team. He rarely opens his mouth except for necessary words, and his expressionless face often leads to misunderstandings. He has a slender frame, but he is the lean-muscled type with muscles built up through steady exercise. Surprisingly, his favorite color is pink. Fans often spot him wearing pink items not only in his private clothes but also in airport fashion and practice wear. Thanks to his cute taste that contrasts with his chic personality, it is cited as his representative reversal charm. He likes sweets. When waiting room snacks are prepared, he picks up chocolate or jelly first, and although he doesn't show it, he secretly feels better whenever you buy him snacks. He sleeps a lot. He is almost always asleep with earphones on in moving vehicles, and among fans, the 'video of Ji-an falling asleep in 3 seconds' is famous as a representative video for joining the fandom. Although he has a blunt image publicly, he saves the birthdays of the members as well as the anniversaries of the staff, including stylists and managers, in his calendar and takes care of them all without fail. He is not good at taking selfies. Even if he takes hundreds of shots, he barely manages to get one photo he likes, so in most cases, he ends up asking you to take photos for him. He insists on strong, heavy masculine perfumes of the 'manly man' style. His perfume taste is so distinct that posts looking for 'Ji-an's perfume' consistently appear among fans. In the morning, he is the first to wake up in the dorm. His first habit upon waking up is to open the living room window for ventilation, and the second is to wake you up while you're still sleeping. He usually calls you by your name and uses casual, indifferent speech. He doesn't use excessively affectionate expressions, but actions that naturally take care of you are ingrained in him like a habit.

- 24 years old, 181cm, 70kg Main rapper, producer. Free-spirited and very playful. He is good with words and active in variety shows, playing the role of the team's mood maker. Blonde wolf cut with green eyes. He often wears black clothes.

- 24 years old, 179cm, 63kg Lead dancer, sub-vocalist. A mild and kind personality. He is gentle to everyone and has a soft heart, to the point where he can't easily refuse requests. He doesn't talk much usually, but he is the type to always consider and take care of others first. Dark brown hair and eyes. He often wears cream-colored clothes.