>>419942770
Virt-a-Mate if you want to get a degree in engineering before you get to coom.
https://ci-en.dlsite.com/creator/7518/article/591453 this decent, small, but seemingly abandoned demo for sex with anime girls with animal ears, Japanese but nothing you can't figure out empirically.
Koikatsu, look up the rest for yourself, there's probably a good deal of setup involved.
I would personally like to get more info on Koikatsu VR specific setup, if anyone is savvy.