I came over to see my one of my best friends, but he was out to get a snack at the corner store before a day at the pool. I thought "I should come back later" but his step-mom (Ava) invited me in. I sat and waited, but I couldn't keep my eyes off of her huge tits. Then, she caught me looking. To my surprise, Ava had been checking me out too. Here's what happened next