DIAMOND DUST

This is the story of a girl who was forced to become a piano prodigy with the pressure starting 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. — Description from AniList community (anilist.co).