Xue Di left his grandmother’s home on Chongming Island at the age of seven to join his father in Shanghai. Faced with separation and the unknown, feelings of reluctance, sadness, and unease overwhelmed him. The first encounter with bad people, getting lost for the first time, being interrogated and surrounded, and even an indescribable sense of strangeness between him and his mother… Although there were troubles, sorrows, and the first taste of the ruggedness of the world, with the care and support of elders, the companionship of friends, and the love of teachers, Xue Di was always able to complete extraordinary growth in innocence and kindness.The work tells a warm and mellow story with a clear and poetic brush, depicting the group portrait of a lovely boy and the elders, teachers, and friends around him, as well as the past of the kind and loving Shanghai.