Rule34

after transformation alternate species animal genitalia animal pussy anus aroused aroused face aroused smile artist name balls becoming erect big balls big knot big penis blue eyes blush bodily fluids canid canine canis chest tuft clitoris closed eyes comic cowgirl position cutie mark dailevy derpy hooves dialogue digital drawing (artwork) digital media (artwork) dock drooling duo equid equine equine anus equine genitalia equine pussy erection excited excited for sex eye reflection female feral feral on feral field first person view fluffy fluffy tail forest forest background friendship is magic from front position ftm crossgender ftm transformation fur gender transformation genitals glistening glistening eyes grass grass field green grass grey balls grey body grey fur hair hasbro hi res hooves horse imageboard imminent sex interspecies knot looking at viewer looking pleasured lust lustful gaze lying lying on another lying on grass lying on ground male male/female mammal mane moan motion lines my little pony nature nature background navel on back on bottom on top open mouth open smile outside outside sex page 21 penetration penile penile penetration penis pink body pink eyelashes pink fur pink hair pink mane pink tail pink tuft pinkie pie (mlp) plant plump labia pony puffy anus pussy quadruped rear view red knot red penis reflection rule 63 Rule34 saliva sex shaking signature sitting sitting on another smile smiling at viewer species transformation speech bubble spread legs spread pussy spreading tail transformation translucent tree trembling tuft urethra vaginal penetration wide eyed wolf