Trying to find a video from my teenage years.

Its in a bathroom, a girl go to shower and a man goes in to use toilet. After he's done he lookin at her and they stand at each side of the shower glas wall. She goes down lickin on the glas and after a while he sits down on some stairs and she starts to suckie suckie and then its keep going on. Its quite some years so chocked if anyone knows it.