Rule 34 Dev - 2018 animal_genitalia animal_penis anus ass backsack balls blue_feathers blue_hair blush crossed_hooves cute cutie_mark dock dripponi duo equine equine_penis eye_contact eyebrows fan_character feathered_wings feathers feral grass grey_balls grey_penis grin hair half-erect hi_res hooves horsecock leaning leaning_forward looking_back male mammal medial_ring mountain multicolored_hair my_little_pony nude on_top one_eye_closed outside pegasus penis perineum puffy_anus signature smile standing teeth tree two_tone_hair white_hair wings wink yaoi yellow_eyes|3137663680