Two pairs arrange swinger sex and exchange partners

A guy and a girl come to visit a couple and the owner of the apartment shows his friend porn through special 3D glasses. The dude is surprised and very excited, because the video is too realistic. Soon, the owners of the dwelling offer guests to arrange group sex and the guests agree. Swingers undress and young people exchange partners, enjoying such sex. Girls, too, enjoy and diligently suck the phalluses during intercourse.