Scenes should be filmed with a greenscreen and the guy wearing a full green suit with just the dick out. Looks way more realistic like they are actually fucking you. Really need to get a quest pro.
Can almost get to that with these edited videos:
https://spankbang.com/7ors6/video/august+taylor+passthrough+vr
https://spankbang.com/7orrw/video/savannah+bond+passthrough+vr