The story revolves around Lin Youran and her classmates. From the first year of high school, from the classroom to the playground, the fun stories of class fights since childhood, to the collective struggle under the pressure of entering a higher school. Along with the test of friendship, the youth of first love, the friction of family, the pull between dreams and reality, growth gradually settles in the ups and downs of life and hilarious daily life. Each volume focuses on different stages and core conflicts, with both independent main lines and connections: the first volume shows the interweaving of various characters in the new semester, the second volume focuses on the changes in relationships during the entrance to higher schools and tests, and the final chapter of the third volume has a happy ending, with everyone finding their own direction in life and presenting a successful answer to youth.