I agree with some points that the OP @BeltManFen is expressing, in that JAV reverse gangbangs are really impressive when it comes to the actresses unwavering attention on the male POV. I also do agree, for me personally, that what I look forward to most about "reverse gangbangs" is feeling like the center of attention, and having all the women around me licking me everywhere, or how I like to call "swarming" all around me. I love how in JAV reverse gangbangs, the women are constantly whispering in both ears, licking both of the guy's nipples, hovering above me (face sitting style), licking both sides of my face, etc. It's like a kaleidoscope of sensory overload. The immersion is quite powerful, and that's one thing JAV (both VR and non-VR) have been masters at for decades. Seriously decades.
However, I wouldn't say the "reverse gangbang" scenes we have here on SLR (whether it be SLROriginal harem scenes, or the several BGGGG+ scenes from other studios) aren't technically "reverse gangbangs" They just have a different direction style. I think the recent SLR harems (Euro 1, and Nash 1) do a really good job, ESPECIALLY because both scenes have 10+ women! Most JAV reverse gangbang scenes have 4 or 5. And actually if we're comparing that one, have you seen Nash's Asian Delight Royal Flush (with Alexia Anders)? That one is very POV centric and probably Nash's finest work when it comes to that centric "reverse gangbang" feeling.
Anyways, basically what I'm getting as is, I agree with you with your overall point when it comes to "reverse gangbang" preferences. I love total attention, and body worship, and constant stimulation of all erogenous zones (ears, nipples, neck, lips, balls, feet, lol and sure, knees too). But I think with SLR harems, if there are 10+ women, there have to be some women slightly outside on perimeter, and it makes perfect sense for them to be kissing each other, licking each other's tits, etc, while also still flirting for the attention of the male POV. Much better for all of them to be doing something, than for them to just be moaning (or worse yet, screaming and giggling lol).
Pinging @vrfanservice for awareness because I believe they will be filming the next SLR harem scene (WHICH I CANNOT WAIT FOR!) Any progress on that VRF?