Playing is normally not joseki; clearly Black takes into account the presence of the stones. All this affected the earlier choice of pincer.
looks for sabaki here.
This is the sort of position that had to be envisaged long before. Black has been very respectful of the stones, and now has to handle the stones.
And here is the box connection with .
The struggle for shape continues. White doesn't have a half eye on the upper side, just an eye in ko, and must come out.