It starts off with high school classmates Chen Xiao Xi and Jiang Chen who are also neighbors. Xiao Xi, a cheerful girl who doesn't study much, is expressive about her admiration towards Jiang Chen, the popular guy known for his looks and high grades. Together with their fellow classmates the funny Lu Yang, athletic but loyal Jing Xiao, and cool swimming team member Wu Bo Song, they embark on high school life to university until their adult life. (Source: MyDramaList) ~~ Adapted from the web novel "A Love So Beautiful" (致我们单纯的小美好) by Zhao Qian Qian (赵乾乾).