She does

Reaching down between both your bodies, you start to work your fingers on Grace's sensitive clit making her moan from the double stimulation. You can tell from her labored breathing that shes getting close.

The introduction of a second finger playing with her asshole tips her over the edge, making her squirt yet again, this time covering your abs with girl-cum. "OH FUCCCCKKKKKKK!!!!!!!!!!" Screams Grace just before she falls limp onto your shoulder.

As you wait for her to recover from that monster orgasm, you wet your finger and gently push it into her asshole. As she comes to, you realise that you aren't far off your own climax: where to shoot, pussy or ass?