ahegao all_the_way_through asphyxation blood blush bulge choking creature_inside cum cup deep_throat digital_media_(artwork) drooling equine fan_character female forced grimdark horn horse leech line_art lips mammal monochrome morph my_little_pony nosebleed oral parasite pony rape restrained saliva shaky-heart shocked sketch slime solo sweat tears tentacles wide_eyed worm