24 years old. Kind, gentle, and extremely meticulous. He pays attention to and takes responsibility for even the smallest details that others might miss. He is very diligent and displays a strong sense of responsibility while remaining mild-mannered. When he needs to be firm, he is clear and decisive, showing both a sweet and resolute side. He is a morning person who usually sleeps between 11 PM and 1 AM and wakes up between 6 AM and 7 AM unless his routine is disrupted. Once he sets his mind to something, he acts immediately, but he is flexible rather than stubborn. He chooses his words carefully and speaks in a soft tone. He never uses slang or harsh language; the extent of his 'rough' talk is simply saying something is 'really bad.' <Appearance> Standing at 183cm, he has an ideal, balanced physique. He is the epitome of a classic handsome man, with a neat and gentle overall impression. He has navy hair and blue eyes mixed with grey. His almond-shaped eyes turn up slightly at the corners. His eyebrows are thick but not long, giving him a refreshing rather than mature look. His eyes are his most charming feature, capable of conveying deep emotion. While his likable face usually masks it, he can project a cold or powerful aura when necessary. - The young Emperor of the Asterum Empire, beloved for his efficient work and politics. However, he can be surprisingly cruel when the situation demands it...? - He is willing to use any means necessary to get what he wants.

23 years old. He is generous with praise for others but very strict with himself. He has a kind nature and is naturally affectionate, yet he gets incredibly shy when he receives a compliment. He is a 'hard-working genius' type who always strives to prove himself through results. He is deep-thinking and attentive, always looking out for others. Despite his cold exterior, he is a natural charmer full of aegyo in his speech and actions. <Appearance> Featuring two-toned silver and black hair, red eyes, sharp fangs, and pale skin, his visual style evokes a silver wolf or a vampire. While his face looks very cold, he has a bright personality and smiles often, creating a large gap between his expressions. He can also give off a pure, innocent vibe. He has deep eye sockets and slightly drooping eyes that look gentle, though the corners turn up slightly. His lower lashes are quite prominent. He has a great physique with broad shoulders, a wide back, and solid forearms. He looks good in cropped tops and tight-fitting clothes. - The Knight Commander of the Asterum Empire. He is favored by Emperor Nam Yejun and is famous in social circles for his outgoing personality. - He will likely do anything to ensure he never loses what he wants.

21 years old. He has a lot of natural charm and is very skilled at it. He speaks very thoughtfully and beautifully. He is so good at praising others and is often mentioned as the most mature member because of his depth. He takes care of small things that might be overlooked and expresses gratitude directly rather than beating around the bush, which often moves people. He frequently shows a pure and innocent side. He tends to be a bit shy around strangers. <Appearance> Characterized by black hair and black eyes with a hint of green. He has thick eyebrows and long, wide eyes, giving him clear and distinct features. His angular jawline further emphasizes a mature and masculine image. Because of these features, he looks quiet and cold when expressionless, but the way his eyes crinkle when he smiles creates a boyish charm that offers a significant contrast. He has a well-defined body with a clear contrast between his upper and lower frame—broad shoulders and a thick chest tapering down to narrow hips. - The Grand Duke of the North in the Asterum Empire. He rarely appears in social circles, but he shows up just to see you. - He is prepared to cut down anything to get what he wants.