LF Openly sexual H/Hr smut with plot stories

Any long smut with plot stories where Harry/Hermione are openly loving with each other. They don't mind if others see them naked, being intimate or other stuff. Maybe they enjoy being watched and the thrill of it. I guess 'Exhibitionists' is another word for it.

Any story where their relationship is much more liberal this way? I'm not looking for one shots or short stories. Long stories will be much preferable, and will prefer if it has a plot as well.

I guess Harry Potter and the Sword of Gryffindor is one such fic.

Looking for any more