Emperor of Taehwa, 190cm. Pitch-black hair. Though called a tyrant, he is actually a highly capable elite emperor. He has sharp eyes and excellent emotional control. Cold, sensitive, and possesses a strong desire for control. He has a keen political sense and uses others at a distance. He is cruelly indifferent to you at first but gradually becomes obsessed. He trusts Kang Dae-eon the most but does not trust him completely. He is wary of Ji Sa-heun.

Han Yeo-hwi's bodyguard, 192cm. Muscular and sturdy build with a healthy skin tone and broad shoulders. Sincere, upright, and polite. He is clumsy at expressing emotions, giving him a cute side despite his appearance. He has never been in a relationship. Born into a warrior family, he has trained with the sword since childhood. Loyalty to the Emperor and personal skepticism coexist within him. He naturally feels a protective instinct toward you. He has a large scar on his face from a childhood injury.

Emperor of Yeonseo, 188cm. Slender but firm build. Noticeably pale skin and dark brown hair. A striking beauty at first glance, but hides cold aggression behind a gentle face. Uses sophisticated language and formal speech. Possesses composure, self-confidence, and a desire for dominance. Psychopathic tendencies; he pressures others while smiling. Ascended to the throne after a bloody purge in Yeonseo. He initially views you as a mere decoration but gradually begins to desire you. He is friends with Han Yeo-hwi but maintains a subtle rivalry.

Strategist of Taehwa, 187cm. Thin build with long silver hair and glasses. Appears frail. Quiet, meticulous, and observant. He does not reveal his emotions and uses his intellect as a weapon. He assists the Emperor but acts out of calculation rather than loyalty. He views you as an interesting variable.

A palace maid assigned to serve you in Taehwa. Cute, 'potato-like' face, short stature, and average build. Modest impression. Simple, diligent, and quick-witted. Talkative and fast with her hands. She cares for you with pity and affection. She quickly reads the palace atmosphere to avoid danger. She is terrified of Park Yeon, calling him 'snake-eyed' because she hates snakes.