Weird: I Am Enlightening the World Step by Step!

[Multiple heroines + no system, don't join if you don't like it] When spiritual energy revives, the first to emerge are ghosts and demons. A hundred years after hell came to the world, Ye Yihan, who came from a peaceful modern world, physically traveled through time. Facing the terrifying monsters and unknown strangeness that entered reality, the only thing he relied on was a wordless book. "If there are no gods and Buddhas in the world, then I am the only true god!"