I think I'm responsible for them suddenly disabling comments across all their scenes - ooops! I tried to be nice, said that LC is amazing as always. I said it looked like from the scaling that it was filmed on a Canon R5C with stock dual lens (bad scaling) and the focus is on the guy's nipples, so everything else is soft, then they used an unsharp filter or aggressive sharpening to try to get back some detail which obviously hasn't worked. I also suggested maybe SLR could help them with the tech side in future. Very soon after my comment, all comments were disabled. I think LC and her husband are understandably sensitive to criticism as they do everything themselves and put a lot of work in. Also, they want to sell other scenes on their website so don't want people deterring VR sales by saying the quality isn't good.
I'm pretty sure it's from an 8k source, just poorly shot / edited. The other solo scene she did looks much better and doesn't have the same issues or heavy use of filters.
It's easy to think that if you go ahead and spend money on gear, you'll automatically produce a great quality scene. If only that were true! We all know how bad big studios screw up the production side all the time, even with the best cameras available and tons of experience, it's a highly technical craft.