1boy 1girl anal anal_insertion angry anthro anus ass ass_grab cutie_mark dialogue disgust doggy_style drbdnv_(artist) equine erection female fingering from_behind hair hoodie horse horsecock imminent_sex inspection looking_at_viewer lying on_stomach open_mouth orange_skin penetration penis pony purple_eyes purple_hair pussy scootaloo sex short_hair tail uncensored wings