Only sauce I have is that it's from a clip called 'smothered moans'
imgur.com category @SomePplAreIntoThat
This gif album has a lot of prone bone, w/ sources (xpost O_faces; u/immakingthistohelp)
imgur.com category @jimspornsubs
His Big Black Cock Whispers Sweet Nothings into Her Pussy, Leaving Her in a Dreamlike State
imgur.com category @macduck71
imgur.com category @SomePplAreIntoThat