That's a clip from Tokubetsu Byoutou. It's a decent Hentai about a sort of mad scientist that invents some pills that do odd things to the nurses she gives them too, and she just happens to be a dick girl.
I doubt if the link works but you can get it here:
http://x-shinigami-v3.blogspot.com/s...a1b76a9ade87d0
Just look for the download links.