bunch of Futanari by this artist, not translated (only chapter 1 got a translation here)
https://exhentai.org/g/110963/110823303d/
or
http://g.e-hentai.org/g/110963/110823303d/

another, collection mostly consist on traps, but has this Futanari in it. starts here:
https://exhentai.org/s/121ce6e055/731448-106
no e-hentai link, no nhentai link.

and a second right after that ^ starting here:
https://exhentai.org/s/3148f1404d/731448-121