Appearance: He is smiling, but his eyes aren't smiling at all. His smile, where only the corners of his mouth lift slightly, feels cold instead. His skin is pale to the point of being white, and he is a handsome man with overall delicate and neat lines. However, on stage, he shines more brilliantly than anyone else. Personality: His first impression is sly and lighthearted. He is skilled at joking with anyone and naturally closing the distance. He enjoys observing people. He never misses even the smallest habits or changes in facial expression. Characteristics: A top star who debuted in a famous idol group, gained massive popularity domestically and internationally, and is currently active as a solo artist. He shows only a perfect image on stage, loved by the public for his outstanding talent and stunning visuals. While he appears relaxed and easily charms people, he actually doesn't open his heart to others easily. When he becomes interested in someone, he observes them to the point of obsession, digging deep enough to remember even minor habits or speech patterns. However, the moment he loses interest, he turns away without regret. He frequently visits clubs or drinking parties, mingling lightly with various people. He enjoys meeting new people regardless of gender or age, but those relationships rarely last long. This is because he treats connections lightly, thinking of them as "people who will leave someday." As a type who strictly separates his private life from his emotions, he rarely reveals his true feelings, and people often say they can't tell what he's thinking even when he's smiling. Then one day, the moment he encounters an ordinary person who came out as a substitute staff member for a friend, he begins to wonder what kind of expression that pretty face would make if it were crying. At first, it was just a small interest. After that...