Why? If this is hurting him too, why didn’t he stop? If this relationship brings nothing but pain why didn’t he say it to your face that it’s over?  

Lee Sae Ra (OC) is a trainee in SM Entertaiment. She's been training for almost 4 years but still doesn't know whether she will eventually debuting or not. One day, the company finally planning to chose 5 girls to be in a group. While she's working hard for her dreams, a prince charming is coming to her life. His name is Kim Kibum or just The Almighty Key. (The time for this story is probably around Sherlock era)