The story takes Li Tianle and Xu Yiqing, two classmates with very different personalities, as the main line, and revolves around three years of high school life. Through repeated pranks, misunderstandings, cooperation and growth, it shows the laughter and conflicts, dreams and frustrations among classmates. The addition of Zhao Yurou, a new member of the class, breaks the original balance and brings new chemical reactions to the class. After experiencing study, competition, family test and graduation decision, everyone grew up with laughter and embarked on a new journey. The language of the story is humorous and bright, and the plot is compact and ups and downs. It contains not only warmth and inspiration, but also family, dreams and self-exploration.