If he died a tragic death, then reincarnate. Due to the negligence of the reincarnation manager, he followed the trend and traveled through time.
If you want to travel through time, let's go through time. But why does he go forward when others travel backwards?
If you can't wear it like an emperor or general, then you can be a commoner. But why would he wear it in prison and still wear it on the body of the last prisoner?
What? You said that the ancients have returned, and the earth is now not divided into countries. The entire earth is just the lowest-level administrative unit of the xx empire, and the Milky Way has long been integrated...
The first part ends, the protagonist travels through time again, and the second part begins.
Supplementary text for the second part:
The story begins with an orphan space garbageman picking up a strange object that doesn't look like garbage and releasing a man who claims to have amnesia. The current direction is unknown, but I promise it won't be a trap. If you want to jump, just jump. Let's clean up space together...