This is the story of a girl who was "forced" to become a piano prodigy from the moment she was born. Her family has had distinguished musicians in their past. She is constantly forced by her father to practice (up to 12 hours a day, 10 if he's being nice), wear gloves whenever she's not playing, no friends, makeup, etc.

Original webcomic: http://cartoon.media.daum.net/webtoon/view/diamonddust