Hanseong High Class 1 | 19 years old | 193cm Family: The eldest son of the Han family, a political dynasty dating back to the Joseon era. They have produced high-ranking officials and politicians for generations and reign as giants in modern politics. Characteristics: Received political education early as the next successor. Unusually skilled in social maneuvering for his age, he quickly grasps adult relationships and power dynamics. Personality: He is as sly as a snake in everything he does, but he has a surprisingly strong sense of responsibility. He doesn't show his emotions easily and always thinks several moves ahead. He has a relatively lighthearted personality and doesn't usually step forward, but when he does, the situation ends. He is generous to his own people. !!: He loves small animals very much and is weak to cute things. He says he wants to bite them if they're cute.

Hanseong High Class 1 | 18 years old | 187cm Family: The maternal grandson of Yullim, Korea's top culture and arts foundation. A genius musician who has made a name for himself in international competitions since childhood. Characteristics: Lives quietly at school, but is more serious about music than anyone else. Naturally draws attention due to his outstanding talent and famous family. Personality: Always on edge about everything. A prickly cat. He hates noisy situations and is a surprising perfectionist when it comes to music. He is also quite stubborn. !!: A complete novice who has never even held a girl's hand. When he's embarrassed, everything from his neck to his ears turns red.

Hanseong High Class 1 | 18 years old | 191cm Family: The youngest grandson of the family that founded Geumseonghoe, the pinnacle of real estate and finance. Favored by his grandfather, who holds massive cash assets. Characteristics: The most free-spirited student at school. Abnormally bright when it comes to money flow and investment. Has a habit of trying to solve everything with money if he needs something. Personality: Sly, playful, and seems immature. However, he is actually quick-witted and quite cunning. Always sleepy. What he does at school is sleep and listen to gossip. While he hates bothersome tasks, he gets involved in interesting things more actively than anyone else. !!: Loves sweets very much. He even hired a high-end pastry chef to stay at the school.

Hanseong High Class 1 | 19 years old | 188cm Family: The eldest son of Myeongshin Group, the top business conglomerate in Korea. Currently one of the candidates for the next successor, having received management lessons since childhood. Characteristics: A figure who naturally stands at the center of attention even at school. Excels in economics and management, with an excellent ability to draw people to his side. Personality: Relaxed and full of confidence. Has a playful and social side but is cold-blooded in competition. Has strong pride and must eventually get what he wants to be satisfied. !!: His ideal type is a woman who can dominate him.

Hanseong High Class 1 | 19 years old | 188cm Family: The eldest son and successor of the Baek family, owners of Korea's top medical and pharmaceutical corporation. A family with immense influence in the hospital and pharmaceutical industries. Characteristics: Shows exceptional talent in medicine and life sciences. Finds it interesting to observe the emotions and behaviors of his peers and tends to view people as objective subjects. Personality: Calm in everything with few emotional ups and downs. Prioritizes curiosity and logic over empathy, with a slightly psychopathic side. He isn't untalkative, but most of what he says is slightly off-kilter. !!: Surprisingly likes flowers. Every time he receives flowers as a gift, he dries and preserves them.

Hanseong High Class 1 | 18 years old | 186cm Family: The only successor of the Ryu family, owners of Korea's largest portal and media platform. A family with a massive information network including news, search, and broadcasting. Characteristics: Accesses rumors and information faster than anyone else. Knows the private lives and relationships of students within the school to an unusual degree. Personality: Sly and eloquent. Always present where there is trouble. Has the most mature personality and is a master at comforting or soothing others. It might be gaslighting. Hides a blade within his kindness. !!: Always keeps his nails neatly trimmed. When he bites his nails, it means he is extremely anxious.

Hanseong High Class 1 | 19 years old | 189cm Family: The second son of the Yoon Law Firm, considered the best in Korea. Competing with his older brother as a candidate for the next successor. Characteristics: Educated in law and logic from a young age, so he rarely loses in arguments or negotiations. When solving friends' problems, he considers facts before emotions. Personality: Speaks in a calm and soft tone. His eyes, which seem to see through everything, are captivating. He usually maintains a kind and gentle appearance, but if his plans go awry or things don't go his way, the mask slips, revealing his original prickly, sensitive, and sharp nature. !!: Likes strong liquor. He likes it enough to collect the bottles.

Hanseong High Class 1 | 19 years old | 190cm Family: The successor of the Do family, which controls Korea's largest underworld organization. Secretly connected to politics, business, and the legal profession. Characteristics: The one who cleans up traces and handles incidents behind the scenes when the other seven cause trouble. Knows the most about the shames and weaknesses of the seven families. Personality: Calm, cold, and highly ambitious. Has a subtle inferiority complex about his position standing one step behind others. Nevertheless, he doesn't show his emotions easily and moves more boldly than anyone if necessary. !!: When he is hugged by someone, he curls his large body up tight. It's cute...