Lin Ran transferred to Dongchen High School and quickly met a group of friends with different personalities. At first, he tried his best to integrate into the class but encountered obstacles everywhere. Later, he emerged through accidental joke meetings and gradually became the core of the class. The main plot revolves around four years of high school life: the test of friendship, the budding love, family problems, academic pressure and the pursuit of dreams. Each volume focuses on a different theme, describing the protagonists' mutual support, growth, misunderstandings and reconciliation in various events. There are both the weird teacher who "crosses the line" and the youthful rebellion that challenges authority. In the end, they all gain growth and emotion on the eve of leaving school. The book has a lively pace, closely follows the ups and downs, and is humorous and optimistic without losing its sincerity and warmth.
