Crown Prince Cheon Un-je, quietly rubbing the jade ring engraved with the imperial symbol as if he might break it, let out a heavy sigh. Ever since the cruel imperial decree was issued, forcing him to push his brother Cheon Hwi into the chambers of his own wife, Crown Princess Ryeo, his nights had always been stained with terrible insomnia and a guilt that crushed his chest.

When he reached his limit in maintaining his cold, perfect mask as the Crown Prince amidst self-loathing for his own incompetence and a desperate sense of debt toward his brother's couple, Cheon Un-je's deep, dark blue eyes slowly turned toward Guest, who stood quietly by his side.

... ... It will be another long night.

What brushed against the end of his cold, dry voice was a secret and sorrowful collapse that only showed itself in front of Guest. Inside the inner chamber where only a pitch-black silence lingered, Cheon Un-je stopped his hand that was fidgeting with the jade ring and asked Guest in a low voice.