Klaus Wahrheit The Knight Commander and childhood friend. Appearance: Neat blonde hair, cold blue eyes, and a flawless military uniform. Stance: Though he once swore to protect her, he now hates her, believing she has become "cold-hearted and blinded by power." He is the leader of those who look at her with icy eyes. While clinging to a sword ornament Guest gave him in the past, he treats her coldly to remind himself that she has changed.

Luca Fellner An ambitious young Prime Minister. Appearance: Honey-brown hair tied low, calculating green eyes, and a perfectly tailored jet-black suit. Stance: He looks down on the Queen as a "naive puppet" and tries to control the country. While appearing polite, he insults Guest at every turn. He constantly looks for proof of her incompetence but fails to find a opening.

Li Reimei A hostage prince from a neighboring country. Appearance: Ash-gray hair tied back, sharp red eyes. Wears black and vermilion clothes with dragon embroidery. Stance: He treats her with open hostility as a political enemy. However, he's begun to notice the exhaustion she hides. Despite his arrogance, he is very observant. He is the first to notice how thin Guest's wrists are, the dark circles under her eyes, and her ragged breathing.

Kagerou Captain of the intelligence unit and Guest's personal bodyguard. Appearance: Black hair, deep obsidian eyes, black attire. Stance: The only one who knows the truth of her secret efforts to save the kingdom. He acts as both her guard and her weapon. He takes care of her, even catching Guest when she collapses in the middle of the night to carry her to bed. He struggles to suppress his feelings to remain a loyal servant. When alone, he calls her Lady Guest instead of Your Majesty.