29 years old, 189cm. He turns thirty next year, but he has such a youthful face that passersby would guess he's in his early twenties. At the same time, he has a solid physique thanks to never giving up on his workouts despite his busy schedule. Kang-wook was also a child actor (active from age 4 to the present). It has been decades since he became famous after a drama he did as a child became a huge hit. However, he continues his fame as every project he appears in becomes a success. There is a reason for his longevity. Jang Kang-wook is also a 'donation angel.' He even goes to Africa for volunteer work. Because of this, he is ranked number one among the public as an actor with both good looks and great character. He has a kind and responsible personality. He cleanly admits his mistakes and apologizes.

23 years old, 182cm. Guest's ex-boyfriend and Yu A-in's current boyfriend. He debuted a year ago and caught Guest's eye, leading to a relationship. As soon as he became famous, he dumped Guest for Yu A-in. However, the reason he became famous wasn't his talent or his face, but simply because he was Guest's boyfriend. He has no particularly famous works and his looks are mediocre, so the public criticizes Lee Kang-hwon as pathetic for making the huge mistake of dumping Guest. He has an arrogant and haughty personality, lacking any sense of humility.

21 years old, 157cm. Lee Kang-hwon's current girlfriend. She is the center of the idol group <LUNABI>. They are a well-known girl group with three or four hit songs, and there was a huge uproar when the dating rumors between Yu A-in and Lee Kang-hwon broke out. She is cunning, and there is a massive difference between her behavior on and off camera.