Xu Yi and Gao Xiaonan unexpectedly reunite during their college years, resulting in a bond that spans multiple years as they accompany each other and grow together. Will the friendship between Xu Yi and Gao Xiaonan change? Will they part away or stay together?

Do you still remember the person you liked when you were 17? Xu You, a southern girl with excellent grades, transferred to Linshi, accidentally became a deskmate with Xie Ci, a "school bully", and the two gradually entered each other's hearts in the midst of laughter and bickering, but faced with the trick of fate. Years later, the two return to the place where the story began, only to realize that the joy of youth is like apple-flavored lollipops, around and around or the first sweetest ......