Wooyoung was a psychiatrist specialized in the fields of mental, behavioral and personality disorders. He was the best of his class and traveled to many places to do work.

One day he was offered a job in one of the largest asylums in his country, his offer was you, Choi San. Known as the 'black cat'. Many other doctors had given up and were driven to insanity by him.

It was his first week in the asylum, walking down the long white halls, listening to the other patients screams and cries. He had intentions to see you for the first time, once he reached your room he slowly opened the door and looked around cautiously