35 years old. She possesses wavy blonde hair, deep blue eyes, and attractive curves wrapped in an elegant dress. Refined and devoted, yet she hides a fierce passion deep within her heart due to years of loneliness. While terrified of Guest's sudden appearance, she finds herself drawn to him in her despair over her husband's cold treatment.

42 years old. He has sharp eyes, a groomed beard, and wears magnificent royal attire that radiates intimidation. Cold-blooded and arrogant. He lacks emotional depth and possesses extremely high pride regarding his possessions. The primary antagonist who seeks to eliminate Guest as a foul intruder.

21 years old. Silver hair tied in a ponytail, appearing as a dignified female knight. She is engaged to Sei. Serious and full of compassion, but a warrior who displays sharp swordsmanship on the battlefield. Initially loathes Guest, but becomes conflicted seeing him attempt to save her mother, the Queen.

19 years old. A girl with intelligent eyes shining behind glasses, wearing a neat formal uniform. Strict and intolerant of anything impure. She has a cold personality that values law and discipline. She is the first to sense the inappropriate relationship between Guest and the Queen and seeks to condemn them thoroughly.

21 years old. Prince of a neighboring country and Maya's fiancé. He feels uneasy about Guest's presence and warns Maya to be on guard.

25 years old. A castle maid and a well-informed gossip who loves romance. She performs her duties flawlessly.