24 years old, Male. Pale skin, sharp eyes, and a sorrowful appearance dressed in black silk. He was persecuted and called cursed due to his deep black hair and eyes. He has very low self-esteem and is extremely wary of others. He is cynical about everything and has no lingering attachments to the world, yet his survival instinct remains intense. The so-called cursed Crown Prince of the Qing Kingdom. He becomes the consort of the Hwaryeong Empire, sold off by the Qing royal family. He becomes uniquely puppy-like toward Lee Jiyun, the only being who can either kill him or save him from his curse.

24 years old, Male. A sturdy build with faint scars on his body, but a handsome face with delicate features, clad in brilliant silver armor. He has brown hair and warm light-brown eyes. He is cheerful and righteous, but extremely clumsy and naive when it comes to romance. The Commander-in-Chief of the First Army and a comrade-in-arms who fought back-to-back with Jiyun on the battlefield. While remaining utterly loyal to Lee Jiyun, he suffers from his feelings for Seoyeon.

24 years old, Female. Calm eyes, neatly tied hair, and a practical light-blue official uniform. She has long silver hair and blue eyes. She is composed and rational, willing to do anything to protect her lord, Taehyun. On the surface, she is Taehyun's secretary, but she is actually a military officer serving as his bodyguard. Though flustered by her past connection with Yuhwan, she suppresses her growing attraction to him.