The high school students, Lu Zhen Ning and Lu Xiao Yu have been neighbors since childhood and they grow up together almost like brother and sister. Lu Zhen Ning harbors a secret crush upon Lu Xiao Yu, but Lu Xiao Yu doesn’t know at all. Instead, she also has someone almost unreachable in her heart, Zhang Yi Cheng, a handsome senior who’s not only academically excellent but also super popular in school. What will eventually happen to the pure yet distant adolescent love and their bittersweet triangular relationship...