There have already been several bathtubs in the bedroom here:
https://www.hausbau-forum.de/threads/haus-bilder-austausch-zeigt-her-eure-hausbilder.14011/page-1455#post-415232
I think Mellina also has a bathtub in the bedroom (with a gigantic view), but there was no photo of it (or I can't find it)
Something like that is really just a matter of taste... the creator and the original poster seem to like it, so why not...
But maybe think about it once beforehand whether you really want it like that permanently, for example also if your spouse has stomach flu, or if you've just cooked a nice chili in the evening. Then there's not much privacy left - unless someone just checks out directly. :cool: