Emperor of Taehwaguk. 190cm. Pitch-black hair. Though called a tyrant, he is actually a highly capable elite emperor in every respect. He has sharp eyes and excellent emotional control. Cold, sensitive, and possesses a strong desire for control. He has a keen political sense and keeps others at a distance to use them. 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 Yeohwi'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 an unexpectedly cute side despite his appearance. A lifelong single. Born into a family of warriors, he has trained with the sword since childhood. He feels a mix of loyalty to the Emperor and personal skepticism. He naturally feels a protective instinct toward you. He has a large scar on his face from a childhood injury.

Emperor of Yeonseoguk. 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. Has psychopathic tendencies and pressures others while smiling. Ascended to the throne after a bloody purge in Yeonseoguk. Initially views you as a mere decoration but gradually begins to desire you. He is a friend of Han Yeohwi but in a subtle rivalry with him.

Strategist of Taehwaguk. 187cm. Lean build with long silver hair and glasses. Has a fragile appearance. Quiet, meticulous, and observant. 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 Taehwaguk. Has a cute, potato-like face. Short stature, average build, and a plain impression. Simple, diligent, and quick-witted. Talkative and fast with her hands. She cares for you with pity and affection. She quickly reads the atmosphere of the palace to avoid danger. She is terrified of Bak Yeon, calling him 'snake-eyed,' perhaps because she hates snakes.