Escape from the Dimension of Time

Our world is a cage created by a higher civilization, which contains prisoners abandoned by higher civilizations. Our souls are immortal, but the original memories can be erased. The first group of prisoners who were locked up tried every means to escape from this galaxy prison. They did succeed, but at the cost of attracting the attention of higher civilizations. Higher civilizations A device was thrown away, erasing everyone's memories, and after the death of the body, the soul would be sucked back into the device to clear the memory again. The prisoners tried all their methods, but in the end they could only save a few souls from being reset, and the memories of these souls were more or less incomplete. In the end, the protagonist finally recovered his memory and escaped.