An extra person adds to the level of arousal and offers new ways to have fun, including double penetrations of a girl, two ladies riding a guy's cock and face at the same time, a girl being fucked as she licks her friend's pussy, and much more.
Two hard cocks versus one wet pussy or they other way around - multiply your pleasure by three.
Teen hotties explore each other's bodies and eat each other out until they add a throbbing boner to the mix.