This is a story about growing up, for all the only children who grew up alone. In our lonely and lonely childhood, we may have always been longing for a playmate. For Wynn Street Thangka, he has always been accompanied by the thin and indifferent girl Qiao Ye. For Qiao Ye, there has always been the noisy thangka. They grew up together, went through each other's most difficult times together, and shared all the hardships, sufferings and joys, until one day they discovered that they could never be separated in this life.