In the page with the rough we can see Nodoka has her old clothing length, but in the clean pages her shirt is exposing her underboobs….
So this additional “development” (or should I say reduction) in clothing maybe why not all the pages are fully done. Ritz may have redone some pages/panels for the clothing and to make sure the angles are just “right” (for the author at least).
I do wonder if there really is an outsized number of fans who are demanding more fanservice.
I am fine with the original styles, but what I can say I’m reading the scanlation *shrug.