Kang Yoona, a girl who lost her father when she was 7 years old. Her father remarried with Choi Minah. Choi Minah has two daughters, Kang So Young and Kang Bora. Yoona father died in an accident. Yoona had to live with her stepmother. Yoona often bullied by Kang So Young and her stepmother. Park Chanyeol, Yoona best friends finally brought her to live with him. Chanyeol actually really liked Yoona, but he decided to ignore that feeling. One day, something happened to Yoona and Oh Sehun. Their friendship became chaotic. What will happen to them ?? read the story to find out more !! Cast by; Park Shin Hye as Kang YooNa Oh Sehun Park Chanyeol Byun Baekhyun Kim Jong Dae Zhang Yi Xing Kim Jong In Do KyungSoo Huang Zi Tao Wu Yi Fan Kim Min Seok Xi LuHan Kim Joon Myeon Choi MiNah as stepmother Kang So Young as step sister Kang Bora as step sister Jung Joon Young as YooNa brother JiMin AOA as Han JiMin