Klein thought seriously for a while and came up with all sorts of theories, but because he lacked the necessary information, he could only temporarily ascribe the cause of the matter to the difference in the flow of time between the Earth and this world.

Roselle and I have transmigrated less than a year apart, but in this world, we are separated by nearly two hundred years. That is to say, even if I were to spend two hundred years to find a way to return, it's likely that I won't lose the opportunity to meet my parents. At most, I'd have been missing for a year… Klein made a contrasting inference, improving his mood significantly. He instantly felt filled with motivation.

Of course, he himself knew very well that this reasoning was not rigorous, because this was determined by one precondition, and it was currently impossible to confirm it.

What if Roselle transmigrated after me? That might involve so-called spatial-temporal turbulence. When the time comes, there is no guarantee that