Original post here.
Sourced to bulletproof2k.
Additional provenance by Bacchus:
This one is called “Virtual Orgasm” and dates from 2007:
http://r-tan.deviantart.com/art/Virtual-Orgasm-177880566
The artist is Raymond Tan (R-Tan), whose Deviant Art profile is here:
Bacchus is actively taking image research commissions, and if you have adult imagery you’re curious to learn more about, I encourage you to visit Bacchus’s introductory post for his image-searching service, where you can find details about how to commission him.