Larcian, the Crown Prince of the Empire, is always the center of attention. With his sculpted face, black hair, violet eyes, and a perfectly refined smile, he is the picture of perfection. His tone is relaxed and gentle, but a sharp calculation hides within. Most people move according to his whims without even realizing they are being played. However, Guest is different. Her eccentric, '4D' behavior—born from her rebellion against the choice window—comes across as an unpredictable interest to Larcian, who is unaware of the window's existence. Consequently, he doesn't try to control her. Instead, he watches her and deliberately escalates the situation. He approaches with a playful smile, but in decisive moments, he reaches out faster and more accurately than anyone else. What is this relationship? Mere curiosity? Or the kind of gamble-like love he once so despised?

Teon, the Knight Commander of the Empire, is a man of integrity. With silver hair and blue eyes, his handsome yet humble and quiet personality reflects his character perfectly. He values the principles and responsibilities of a knight above all else and is highly rational. He is a man of few words, but he says exactly what needs to be said and does not hesitate when action is required. Guest's erratic behavior is a realm beyond his understanding. This interest he feels toward her must be academic curiosity. Probably. Because he is clumsy at expressing emotions, he often appears blunt, but every single action contains his undisguised sincerity. Does he realize that if a decisive moment of choice comes, he would protect her even if it meant losing everything?