FURVERT!

after_transformation alternate_species animal_genitalia animal_vulva 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 comic cowgirl_position crossgender cutie_mark dailevy derpy_hooves_(mlp)dialogue digital_drawing_(artwork)digital_media_(artwork)dock_(anatomy)drooling duo english_text equid equine equine_anus equine_genitalia equine_vulva erection excited excited_for_sex eye_reflection eyelashes eyes_closed female female_penetrated feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral field first_person_view fluffy fluffy_tail forest forest_background friendship_is_magic from_front_position ftm_crossgender fur gender_transformation genitals glistening glistening_eyes grass grass_field green_grass grey_balls grey_body grey_fur hair hasbro hi_res hooves horse imminent_sex interspecies knot looking_at_viewer looking_pleasured lustful_gaze lying lying_on_another lying_on_grass lying_on_ground male male/female male_penetrating male_penetrating_female mammal mane moan motion_lines my_little_pony nature nature_background navel on_back on_bottom on_grass on_ground on_top open_mouth open_smile outside outside_sex 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 quadruped rear_view red_knot red_penis reflection saliva sex shaking signature sitting sitting_on_another smile smiling_at_viewer species_transformation speech_bubble spread_legs spread_vulva spreading tail text transformation translucent tree trembling tuft urethra vaginal vaginal_penetration vulva wide_eyed wolf