Sister and I had sex in a tent

We’ve always been close and are both openly gay, and this vacation we've been kinda flirty and handsy. Last night we shared a joint at the campfire and ended up cuddling in the tent, which turned into kissing, and then full on sex. We went for a while, eating each other out and fingering each other. Tonight we did it again and she let me take a short video of her eating my pussy