She nods, and the two of you head on over. Once you are situated, she straddles you and softly rubs against your groin just before you start. She doesn't feel too heavy, nor is she light. You an instantly tell this is the kind of girl who can take it rough... and likely enjoys it.
"Ready to go~?" She asks, and once you give the go ahead, she begins to grind against you, counting out the reps as she goes.
Spoiler (click to show/hide):
want a dice roll to see how ya do?