Dot felt Julia's wet snatch through her knickers as they both watched the twins fucking. I got behind the slutty aunt, fondling her tits through the drenched dress as Dot frigged her sister's clit. Julia turned towards me and we snogged, moaning from the attention she was getting to her tits and clit.
"You want to keep that dress on, don't you." I said to her.
"Very perceptive. It makes me feel like a slut." she revealed.
"You are a slut." I told her and she kissed me harder.
"You can take it off when it's time to fuck me."
"You're a good Aunt Julia," I told her. Massaging her...