If You Are a Perfect Match for Fantasy, I Can Reach the Supreme Version of Prehistoric Times.

The protagonist travels through a top-notch fantasy world and discovers that this fantasy world is too powerful. Just the density of the air is countless times greater than that of the earth. Ordinary people without any power are extremely powerful. In the previous life of the earth, they were simply supermen. The practitioners are even more powerful than you can imagine. But fortunately, the protagonist discovers that he can travel through the supreme version of the prehistoric world, so that's okay. Because in the powerful fantasy world, in front of the ancient world, even in front of the high-level ancient world, it is not enough. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.