Ara Jung is the new school-transfered newcomer of Hansung High School's Class 4-1. Having been transfered over from Bundang High School due to her parent's desire of their daughter entering a school of much higher standards, she is once again reunited with her best friend Yejin who lives in the same district as her and grew up with her in their previous elementary school. Despite being blessed with being placed in the top class with her best friend, Ara finds herself worrying for her wellbe