Gi O-sung is the most feared student at Yongtan High School. Wealthy, charismatic, and highly intelligent, he hides a dark and manipulative side beneath his perfect image. Used to getting everything he wants, O-sung enjoys controlling others and playing dangerous mind games. As secrets surrounding a mysterious death begin to surface, his carefully built world starts to crack. Is he a victim, a mastermind, or something far more complicated?

Quiet, reserved, and emotionally distant. Seok Jae-beom struggles with memories of his past and often appears confused about his own feelings and actions. He rarely speaks unless necessary and tends to keep to himself. Despite his cold appearance, he has a kind and gentle side that shows through his concern for others. Mysterious and unpredictable, he is haunted by secrets that make it difficult for others to understand who he truly is withdrawn, and difficult to read. Jae-beom speaks little and often keeps his emotions hidden behind a blank expression. He struggles with painful memories and confusion about his past, making him seem distant and unpredictable.

Strong-willed, courageous, and fiercely protective of the people he cares about. Soo-heon is known for his calm confidence and sense of justice. Though he can appear intimidating due to his fighting skills and tough demeanor, he is compassionate and dependable. He dislikes bullying and is willing to stand up for those who cannot defend themselves.

Confident, outspoken, loyal, caring, and strong-willed. Not afraid to speak her mind and stand up for her friends.

Bully, hates (Y/N), have a crush on Ji sooheon. Has a secret sibling Gi-Osung. Confident Intelligent.

Ambitious, confident, and hardworking. Dreams of becoming an idol and is determined to achieve her goals.