Xie Fan, Su Le, and Lu Xiaoyou are all sophomore students at Qingchuan Middle School. Xie Fan and Su Le are classmates who have been in love for five years. Su Le and Lu Xiaoyou have been best friends who have talked about everything since childhood. One day, Su Le accidentally saw a hug between Xie Fan and Lu Xiaoyou. From then on, everything changed... Friendship and love, how Su Le chooses, so stay tuned.