isn’t this like paljae?

I mean the trope of principle harbouring feeling for their master is same ig, but the world building and characters are much different, I mean besides the bl plot, the premises of both manhwas are different, one is a "got stuck in a novel" type and the other one is original world with a lot of korean folklore inspired creatures. And I'm pretty sure that author of paljae said that they wish people won't perceive their work as murim or janghu manhwa, and this manhwa, besides the bl, is exactly that