A Busan girl had madly deeply inloved in a Seoul Boy. It's her ultimate crush and considered as her first love. She decided to go at Seoul and study to the school where her first love studying. It's an Art school named School Of Performing Arts. Unexpectedly, her first love became her friend and became more than a friend. Her dream came true, a dream that her first love will be her first boyfriend. But secretly, her first love doesn't really love her. She got her just to be a band-aid to his perfectly broken heart. Kim Jongin was felt guilty about it, he tried to confess to her but after all he didn't. He realized she was been a good girlfriend to him and to confess to her the fact that he doesn't love her as a girlfriend but just as a friend is a bad thing to do that could really make Sulli's heart like his heart. He continued to pretend and preferred to teach his heart to love her instead. But one day, she discovered her boyfriend's secret. It really made her heart broken into a tiny pieces. At that time, she doesn't know how to handle it anymore, it was the worst thing she had ever in her life. But because of a one man named Sehun, her heart recovered and seems like it's heart was built again nicer than before when she fell in love to her first love. And her feelings to the man named Sehun had been developed more than she thought it would be. Is it says that a Second love is the Real one, the real love? Please look forward to it. ♥