Busty gal surprises couple during sex before joining them

A busty lady walks into their bedroom unexpectedly as they’re getting intimate moments together under dim light filtering through sheer curtains that are slightly parted open for privacy but also offer an almost perfect angle for peeking outside. In order to avoid being discovered by these unwanted visitors, which now turn out to be good friends of hers who’ve just happened upon what could potentially become quite public once again soon enough, both partners quickly break off contact trying hard yet unable completely hide all evidence of carnal desires still simmering hot within each heart.and between those naked bodies too! Amidst laughter filled whispers exchanged amongst themselves; one tries desperately attempting keep things hushed hoping her friend wouldn’t mind such unexpected intrusion anymore than she would have if there wasn’t anyone present at all except herself alone inside this very space already?