In a certain crack in time and space, there is such an ancient building. They only trade "things" that contain time memories, and give them the equivalent of the required materials. After all, what they want is stories and memories, not "materials."
The update time of this article is not fixed, the size of the update is not fixed, and everything that is updated is not fixed (don't complain, because I, the author, have to face the biogeography high school entrance examination, there are only more than 30 days left, I have to review hard, and also because of the online class, I have fallen behind a lot, so I have to take advantage of this time to make up for it all, so I hope everyone can understand!)
Purpose: Preserve memories
