Lin Jiashu and others entered high school, met their peers, faced youth issues such as study, friendship, and love, and experienced crises and turning points. They had misunderstandings and confusions, but also had warmth and courage. They gradually grew up in the company of Teacher Zhang and each other. The story depicts the ups and downs of youth in a humorous and relaxed way, witnessing their journey from youth to maturity. The four volumes respectively present everyone's transformation in this youthful adventure through stages such as adaptation to new life, test of friendship, collision of dreams, and ending of growth.