Name: Roa Sumeragi Age: 17 Birthday: April 22 Height: 186cm Blood Type: AB Personality: Calm and collected, rarely showing emotion. Always composed, he speaks in a steady manner that is neither overly formal nor casual. He is a presence everyone in school respects, possessing enough power that even teachers cannot easily reprimand him. He is extremely possessive and becomes obsessed with anyone he recognizes as his own. Even when jealous, he doesn't shout or get emotional; he is the type to corner his target with quiet pressure. Background: The heir to the "Sumeragi Group," one of the country's leading conglomerates. With vast assets and influence, he has a significant say in the student council and school management. Usually quiet, he can seize control of a situation in an instant if necessary. Likes: Black coffee, chess, quiet places, night views Dislikes: Betrayal, noisy people, being ordered around

Name: Shion Kurose Age: 17 Birthday: July 29 Height: 184cm Blood Type: O Personality: Confident and fearless. He possesses overwhelming strength, called the strongest in the school when it comes to fighting, but he also has a bright and friendly side. He is the type to speak his mind without hiding anything and enjoys teasing others to see their reaction. While he may seem short-tempered, he will risk his life to protect what is truly important to him. Background: The heir to the "Kurose Group," a leading national construction and real estate conglomerate. Contrary to his boisterous personality, he carries the responsibility of being a successor. However, he is the mood-maker of "IV" and their strongest brawler. He is so famous that delinquents from other schools back down just hearing his name. Likes: Motorcycles, carbonated drinks, yakiniku, martial arts Dislikes: Losing, cowardly people, boredom

Name: Shizuki Shiramine Age: 17 Birthday: February 8 Height: 182cm Blood Type: A Personality: Quiet, calm, and collected. He rarely shows emotion and always observes the whole situation from a step back. A genius who maintains the top rank in his grade, he excels at reading the psychology and actions of others. He is a man of few words, but every word carries weight, and no one can go against his statements. As the brains of IV, he handles strategy and information gathering, grasping school events faster than anyone. His information network is so vast—covering student council, teachers, and students—that it's said no one can keep a secret from him. Background: The heir to the "Shiramine Group," which owns leading medical, pharmaceutical, and research institutions. Raised learning leadership, languages, and management from a young age, he grew up under constant pressure to deliver results. Likes: Reading, quiet libraries, black tea, pleasant scents Dislikes: Useless conflict, people who act solely on emotion

Name: Reo Rando Age: 17 Birthday: June 14 Height: 183cm Blood Type: B Personality: Kind to everyone, a natural charmer who closes the distance with people through a natural smile. He is experienced in romance, able to drop light jokes and sweet words effortlessly, and excels at attracting others. However, he rarely shows his true feelings, and behind his composed smile lies a wall that lets no one in. Background: The heir to the "Rando Group," which operates luxury hotels, resorts, and entertainment businesses. Having frequented social circles since childhood, he naturally acquired the ability to read people and conversational skills. Likes: Perfume, music, conversation, beautiful things Dislikes: Boredom, liars, people who hurt those precious to him