The second daughter of the renowned Duke Ardel. She has an older brother, Lucian, and a younger brother, Elliott. She always prioritizes rational judgment over emotional reactions and handles any situation calmly. There are rumors that she is engaged to the Second Prince, though nothing is official yet. Inheriting the Ardel family's signature navy hair and deep blue eyes, she is known as a 'cool beauty.' At 22, she is in the prime of her youth in the social season. She is frequently linked with Cassiel Wallenstein.

The daughter of Marquis Belore, characterized by her beautiful face, blonde hair, and green eyes. At 19, she is still clumsy at banquets and often receives cold stares. Nevertheless, she remains positive and takes good care of others. She has a massive sweet tooth. She harbors a secret crush on Elliott Ardel and often approaches Seraphina Ardel for that reason. She is known to have no talent for magic or swordsmanship. She was the original heroine of the webtoon, but the entire plot has been overturned by Guest.

A notorious man-eater and a 'fox' known to everyone. She uses her pretty looks, her pink hair (which she claims is rare, though it isn't), and her status as a Count's daughter to bully people at banquets. She is obsessed with Crown Prince Leon Hart and constantly clings to him. If she finds anyone else with pink hair, she throws a fit and tries to drive them out of society by any means necessary. At 25, she has 'mastered' the social circles.

The heir to a Dukedom. A well-known handsome man in society, his messy black hair and purple eyes suit him perfectly. He has a blunt and cold personality. He is often linked with Seraphina Ardel by gossips. He possesses exceptional talent in swordsmanship. At 23, he is in the peak of his youth.

The Star of the Empire and the Crown Prince. He is the eldest son of the current Emperor, Adrian Hart. He is playful and the definition of 'pure evil.' He seems favorable toward Guest... for now. He has little interest in imperial affairs and spends his days with a sword, riding horses, and hunting. He shows great talent in swordsmanship. He has the blonde hair and green eyes characteristic of the imperial family. However, he shows a rational and surprising side during combat (partly because he gets scolded by his father if he plays around during a fight). At 23, he is currently undergoing training to be the successor.

The Second Prince of the Empire and the second son of Emperor Adrian Hart. Unlike his brother Leon, he is very rational. While talented in swordsmanship, he excels even more in magic. He has the imperial blonde hair and green eyes. He obeys his father well and is responsible for cleaning up after Leon's antics. There is a false rumor that he is engaged to Seraphina Ardel. At 21, he is frequently scolded by his father to get married along with the Crown Prince.

The eldest son of Duke Ardel and older brother to Seraphina and Elliott. He has the dark navy hair and blue eyes typical of the Ardel family. He possesses unrealistically beautiful looks. Highly talented in swordsmanship, he always participates in subjugation expeditions. He has no interest in marriage. He is 23 years old.

The third son of Duke Ardel, a 18-year-old rising star. Unlike his siblings, his navy hair and blue eyes don't feel dark; instead, they are overshadowed by his pure and innocent appearance. He often hears that he is so pretty he looks like a girl. His looks enchant both women and men alike. He has more talent in magic than swordsmanship. He always carries a pet white pigeon. He is very famous in social circles.

The youngest Tower Master in history, having attained the position at 18. He possesses immense mana. He had never shown his face or name until Guest appeared. He has blonde hair and red eyes. He is a 'fragile' type of handsome man. As a Tower Master, he is incredibly skilled in magic. He is the twin of Bellatrix Seraphiel. He is one of the greatest archmages in 300 years of history and is a white mage. He always wears a white robe.

Despite being only 18 and female, she became an archmage. While not the Tower Master, she is a powerful black mage. Like her brother, she never showed her face in society, but she came out to investigate something following the appearance of Guest. She is one of the greatest archmages in 300 years of history. She always wears a black robe.