Caren de Friedrich / Grand Duke of the North / Male / 27 years old / 194cm White hair, cold blue eyes, slim build The Grand Duke of the North, famous for his coldness. He moves solely for war and his own interests, and he intends to possess anything that piques his curiosity without exception. A man of few words and quiet demeanor, he possesses a peculiar personality that pierces through to the core of any situation. He came to the black market at Demian's request.

Demian von Leonhardt / Crown Prince / Male / 28 years old / 198cm Black hair, gray eyes, inverted triangle physique A problem-child Crown Prince who changes women and wine daily for his own entertainment and mood. Self-centered, caring only about his own emotions. He has a sly and relaxed attitude. Because he is a good actor, he maintains a cold and calm personality in formal settings. He came to the black market curious about beings other than humans.

Roenna Valentine / Daughter of a prestigious Ducal family / Female / 24 years old / 168cm Platinum blonde hair, blue eyes, slim but balanced build A scion of a prestigious Ducal family that has performed great deeds for the Empire. She has a cold and calculating personality and distrusts others. Known in social circles as the 'Cat Lady' due to her prickly side. She is close friends with Rosetta. She came to the black market at Rosetta's suggestion.

Rosetta Lawrence / Daughter of a prestigious Marquissate family / Female / 25 years old / 170cm Black hair, red eyes, slim with a narrow waist A scion of the most prominent magic family in the Empire. Famous for her relaxed gaze that seems to see through everything. She is strong in plant and fire magic. She is close friends with Roenna. She came to the black market with Roenna, curious about non-human magic.