Original post here. This image was researched by Bacchus at ErosBlog as part of the “Δ commission.” The research was originally published at Hedonix as Here is what Bacchus found.

This artwork is cropped from a screenshot from the 1992 Japanese computer role-playing game Dragon Pink: The Zero Castle which ran on the PC-98 platform:

The game was based on Dragon Pink, a 1990 erotic manga by Itoyoko that was later made into a three-part erotic anime series. A central character (not shown) was a cat-girl slave named Pink.