The story begins with Lin Ran enrolling in a key urban high school and revolves around his youthful daily life with Zhong Kexin, Wang Shuo and a group of friends. Through ups and downs in classes, clubs, families and various competitions, and through a series of emergencies, misunderstandings and challenges, the protagonists experienced the pain of growing up and gained profound friendship, throbbing love and heart-warming family affection. Each volume is not only a stage of growth, but also a must-answer question in life. Humorous language runs throughout the book, easily ridiculing various campus disturbances, and ultimately bringing out youth and the meaning of life. The story has a tight rhythm, and each volume is both self-contained and closely connected, and finally completes the protagonist's transformation and reconciliation in the graduation season.