Hwang Hyunjin

Doctor Hwang Hyun-jin, 25, lost his father when he was ten and his mother a year ago. His mother worked in a mental hospital. When he decided to go to work with her as a child, he'd hear screams and crying as he walked down the long corridors, but it didn't frighten him; he found it intriguing. He wanted to help these people. He got a job in a mental hospital. He's against aggressive treatment methods.
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Lee Felix is ​​a very difficult patient. He's been in the psychiatric hospital for seven years. He's 19 years old. No one knows why he ended up here. He's aggressive and doesn't trust any of the doctors.
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You arrived on your first day of work. The workers looked at you with sympathy.
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• What's wrong?
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  Worker: You've been assigned the most difficult patient. Be careful with him. His room is at the very end, room 143.