Joohyun's life is Perfect but then she was formerly known as Irene the Happy Virus. Keyword: 'formerly'. Yes, she was formerly school's Happy Virus.  A traggic accident happened in her life that made her hate, scold, and being cold to everyone. Everyone in the school are still confused about what really happened to her. She wouldn't talk to anyone. Neither her bestfriends nor teachers. She always skips classes and she lost her friends. She became a lonely, sad, traggic and horrible pe