Rarity faced forward and continued to bump herself against Atchmon's thighs, letting her tight, muscled vagina stroke his shaft. Letting his human cock thrust in and out of her sex by her own will. Rarity enjoyed having this much control, it allowed her to set the pace and truly enjoy herself without worry of discomfort or pain. Not that Atchmon would ever--or could ever--hurt her.  It excited Rarity to be in such a dominant position, using his body for her own pleasure; which she started to feel guilty about, but those feeling wash away in the wake of all the pleasure emanating from her loins as she worked her flanks in his lap. 