Ok this chapter answered my previous question. The entity can just convert any book to the "right" book and it's normal contents seam to be irrelevant.
I first thought this dream lady might've been some elf goddess or the personified world tree, but now I'm wondering if she's actually some eldritch being instead :P
Well there's computers, so it makes sense. Hell, the girl from last chapter even used some high-tech looking hologram, so a TV is the least surprising thing :P
I'm wondering if the content of the books just changes completely for the people of this world or if the new supernatural content is derived from the original book that MC perceives.
That was actually pretty intense.
I almost feel bad for Luna. Maybe she can be a little sister character for the MC, even though they are the same age I think :')
It's funny how all those psychos turn into kitten after they lose :')
Also don't worry about the loli, because she's totally 19 so it's very legal, right?