Description：The protagonist is a 80s who grew up in a divorced family in the countryside. After his father died of illness, he left his hometown to work in a big city. After learning that the village was going to be demolished and renovated, he returned to the old house to pack up his things. He saw his father's portrait and childhood belongings, and felt that he would never see the village where he grew up again, and wanted to go back to his childhood to see his deceased relatives. Because the marbles are shaped like multiple universes, he then used a marble as a medium to travel back to the protagonist's childhood body, and experienced the four seasons of his childhood again, and also experienced the story of losing some people and things again.