I would start reading around 60(64(?)) in the WN.
https://isekailunatic.wordpress.com/tsuki-ga-michibiku-isekai-douchuu/
Their^ table of contents has titles for the chapters so you could pick where you want to start.
This village thing is a filler from what I can tell.
@Zugzwane I'm guessing you mean it would be good if it was a weekly / bi-weekly release? Cause the way you put it makes it sound like the translator is slow.
This is the strategy meeting before the actual assault on that castle.
And you mean on their way to getting rekt'd by him
@Hell_Satan: This certainly feel like addition in LN
if I recall, in the WN they just skip straight to Rodgarts or whatever is the town's name is and the next story events are the school and the merchant part