In this era, one generation after another becomes stronger than the other. The post-90s generation has just emerged, and the post-00s generation has begun to emerge. It seems that a group of people are gradually withdrawing from the stage of history. They are the post-80s generation. They are nostalgic, they marry naked, they eat their old age, they advocate singleness, they float, in various postures, they are the protagonists of this story.