When it comes to the time love loses its spark   Ji Chang Wook and Im Yoona they had been in a relationship for 2 years  Yoona is a medical student same as Chang Wook but he rarely attend because of his part time job they are both busy and slowly lost time with each other Ok Taecyeon the new student enters the picture ForewordJust got some inspiration in a music video that I saw and Jireh lims song