As you watch Mia undress, your cock hardens in anticipation of what's to come. She tosses her clothes aside and straddles your lap, positioning herself over your throbbing shaft. Anna, meanwhile, kneels beside the couch and begins stroking her younger sister while Valerie watches on, clearly aroused by the sight.
"Oh yes," she moans, running a hand through Mia's hair as she feels herself growing wetter. "That's it, sweetie.