Haoxiong struggled, stumbled and gradually integrated into city life from an ignorant country boy. Along the way, by observing the changes in color, he gradually understood the love and hate in life, as well as the shining points and bad qualities of human nature; his admiration for a little girl in a white dress from childhood showed his inner purity and true and pure friendship, and then the alternation of blue, red, gray and black in his later life explained the various aspects of life and the bitterness of life.
