Have seen a couple like this but don't know what is it called or if it even has a name. Also sauce would be appreciated alot!
alice japan has a series of that go by 'having sex after 4 seconds met'. picture is a cover of one of their videos in the series. you'll have to search through them to find your source.
Surprise sex?
>>14081015
http://watch8x.com/Watch_DV1067-Having-Sex-After-4-Seconds-Met_183108.aspx