Mutual masturbation
We all do it. My two sisters and I would visit our cousins every holiday - family reunion, Christmas, any family get together, usually over a weekend. Our folks would over indulge every time, no one was driving. It became a tradition that we would stay up late and watch a movie. They had one of those huge home movie theater couches. I remember we would watch movies with lots of sex scenes, borderline porn, but it eventually led to full on porn led by our horn dog older slut of a cousin.
We would all have our own spots on the couch, not touching but close, each had a blanket. We played who would be the first to cum, call each other out and laugh, the loser had to get up and change the movie.
A few times, we would get close, cuddle next to each other, sometimes watching a horror film, then the porn but not move away… it led to us touching - ourselves at first, but soon it was each of us fondling, touching each other, mutual masturbation.
It became almost regular, we would sit with our legs crossed the other, touching and petting each other. So common, my sisters would sometimes sit next to me, a cousin on the other side usually. My sister would reach over and slowly glide my cock, it was weird at first, but we both knew it felt good, familiar, we had a bond. Eventually it became her and me, we kept it a secret from everyone else. I loved brushing her pelvic muff, feeling the hair between my fingers, slipping in my digits as she stroked my cock. When the friction got too much, she would dip below the blanket and gently kiss the head, spit on it before coming back up and gripping it again.
We never did it away from our holiday parties, or went farther than mutual masturbation, but I still remember it to this day.
We don’t talk about it anymore, but f*ck, I miss that so much.