I don't know what's been going on in the anime or manga adaptations, but I'm guessing these are heavily based on the much further advanced novels. Seems like they've both moved out to their own places, so now they can do it wherever they want!
... Well, not that having people in their surrounding has really stopped them in the past.
Various outfits has been a hallmark for the OreImo DL series, and in this one, they're going back to the well-tried classics: school uniforms and (eventually, naked) aprons!
Update: Found a typo on page 3. The links are updated to the new version (v2). Alternatively, you can just replace the single page using the file below.
DF | MF | Typo
In fact, there'll be some naked apron already in this one!
