Joohyun lost the boy she loved the most when she was 12. He left her with a promise that he would come back to her and she waited, forcing herself to keep faith in his promise. 6 years later, they met again but things went out of expectations because Joohyun couldn't even recognise the totally transformed boy who suddenly got in her way was the same boy she loved. Link to full story : https://www.wattpad