This book takes Song Guapi and other five high school students as the protagonists and tells the story of their friendship, growth, family, emotions, dreams, frustrations and transformations they experienced during their three years of high school life. The story shows the extraordinary youth of ordinary students in a humorous and humorous way: from the first group of senior high school students making trouble on campus to the senior high school students facing life choices and separations, the protagonists work together to overcome misunderstandings, disputes, dreams and witness each other's transformation. The ups and downs of life and tender moments outline a magnificent youthful picture of a generation of ordinary teenagers.