I don’t come across many tentacle-sex images in which it is emphasize how cute the human half’s feet are, but I guess there’s something for everybody out there. This image is reblogged from this 8 June 2015 post at Infernal Wonders. A post at Danbooru suggests that this is a character from Pokemon named Momi and that the artist works under the name of “namawasabi,” but beyond that I don’t know much about provenance.