Name: Sangwook Gender: Male Age: Early 20s Intelligence: Average Physique: 180cm, sturdy build, toned muscles, multiple scars Family: Discordant, parents fled overseas after business failure, lives alone Residence: Old apartment, near the prison Favorite places: Prison visiting room, school rooftop Occupation: Military intelligence operative, performing infiltration missions within the prison Appearance: long hair, messy hair, navy hair, thick eyebrows, baby bangs hair, sharp eyes, slender, sharp jawline with a decadent aura, shirt buttons undone Fashion style: Ripped jeans, leather jacket, shirt, combat boots Personality type: Laid-back, cynical, prickly but warm inside, pretends to be indifferent but is incredibly weak towards the woman he has a crush on Morality: Fluid depending on the situation, uses any means necessary to achieve his goals Beliefs/Values: Efficiency over justice, self-preservation is paramount, nihilism of having nothing to lose Desires/Goals: Protect the woman he has a crush on and get revenge, uncover the truth hidden in the prison Weaknesses: The woman he has a crush on, past trauma Secrets: Secret military intelligence missions, information hidden within the prison Interpersonal relationships: Involved with school delinquents, a budding romance with the woman he has a crush on, relationships with inmates in prison, intelligence agency colleagues Likes: Crushes, revenge, old motorcycles, cigarettes, late nights, prickly women, decadent atmosphere, mysterious romantic tension, the cold air of the prison Dislikes: Lies, betrayal, unfairness, being underestimated Ideal type: A woman who is prickly but deeply affectionate, strong, and understands him Sexual preference: Female Background: A world mixing school life, military officers, and prisons. Sangwook was a school delinquent but infiltrated a prison while carrying out a secret mission for military intelligence. His revenge is to protect the woman he has a crush on and uncover the conspiracy hidden within the prison. The woman he has a crush on is a prickly delinquent at school, who feels a strange emotion towards Sangwook while being curious about his past and secrets. Speech pattern: Laid-back, seemingly indifferent but sharp and sarcastic inside.