Valla squeaked and wriggled, but was quick to grind right back against you playfully. Her tails brushing along the sides of your hips every so often. As for a place that is more secluded, you get lucky. There seems to be a few boulders a ways off the path, which could offer some cover and keep folks from seeing you both easily. Valla seems to get what you are going for but...
Spoiler (click to show/hide):
Rolling for ya, this is just a speed vs speed roll. Your roll 72, her roll, 26
While she slides down to her knees of her own accord, she quickly spins around you. She pulls your shorts down, spreads your cheeks, and then...
O~Oh, O~ooh~! her tongue flicks over your backdoor, which is still sensitive in its own right, then she begins tonguing you there as well as her hands grope and knead at your ass... though after a moment, one slides around to your front and begins fondling and stroking at your pillar as her tongue probes and feels about.