In the future, scientists studying the origin of the universe revealed that the origins of the universe and humans were actually digital zeros and ones. Human beings started to upgrade their bodies with digital humanoids, and finite life has become a matter of choice. Medicine and religion disappeared, and humanity has expanded into space. Human life soon became prosperous, but their individuality is gone, because everybody’s physical body became standardized into a similar appearance. It’s natural that they become obsessed with possessing and celebrating the finite and rare. Some of them were active in these activities, and used to gather items around the universe.