who is she and where did this come from?

Her name is Seka
https://www.iafd.com/person.rme/perfid=seka/gender=f/seka.htm

in film Ultra Flesh
https://www.iafd.com/title.rme/title=ultra+flesh/year=1980/ultra-flesh.htm

vid
https://xhamster.com/videos/ultra-flesh-1980-us-seka-full-movie-35mm-dvd-rip-xhzJcUf

gif taken at at 24:40

Her name is Seka
https://www.iafd.com/person.rme/perfid=seka/gender=f/seka.htm

in film Ultra Flesh
https://www.iafd.com/title.rme/title=ultra+flesh/year=1980/ultra-flesh.htm

vid
https://xhamster.com/videos/ultra-flesh-1980-us-seka-full-movie-35mm-dvd-rip-xhzJcUf

gif taken at at 24:40