I'm a 19 year old girl with a twin sister and an i****t friendly family. Our parents are both 41 and our brother is 16. My sister and I started fooling around at 13 when an older boy at a party brought us into a bedroom and got us stoned. He made out with us both and felt us up then told us to kiss. Without even thinking we started making out heavily. Another guy came in watched too. I got on top of her and took her shirt off. I told the guys to take mine off. They pressed against either side of me and took my shirt and bra off. One guys asked me to eat her out. She said we'd 69 for them if they made out and rubbed cocks. They were hesitant but I took both their cocks out and rubbed them together and said too make out and suck each other off and they could fuck us.

My sister and 69d while they both fucked us. After they came we 69d again and ate their cum. We've always shared a room but from then on we always share our bed too. We knew our parents were swingers but at 18 they approached us and told us they wanted to involve us and they knew we were active. My step dad found a video on my sister pc of her and I showing our sex toys off and using them.