Oh Hey, this hentai anime has corpse washing and necrophilia in the beginning of the 2nd episode. One of them had "sexed" her back to life with some medicinal drug.
http://hentai.animeholics.org/watch/shitai-o-arau-the-animation/1/
Shitai o Arau (Dead/Body Wash) It's in my collection but I thought I'd share the hentai anime (with download click all in one place). Check it out.