The only people Park Ara has is her family, especially her older brother, Park Chanyeol. EXO has been her bestfriends since young. Because of the past, EXO mostly controlled the people she's friending with and they're over protective. Byun Baekhyun, the new transferred student is the only one who didnt give a damn about Ara. He would ignore her and wont even engage any conversation. While Ara thought that she had seen him somewhere before, and tried to dig up the truth to know who he actually is.