Rule 34 Dev - 1:1 air_inflation animated belly belly_blush big_belly blush bodily_fluids body_blush bound digital_media_(artwork) equid equine expanding fan_character feathered_wings feathers featureless_crotch female feral fur gradient_background growth hair hasbro hi_res hooves horse huge_belly hyper hyper_belly hyper_inflation inflated_belly inflating inflation inflation_fetish leg_tuft mammal mane my_little_pony mythological_creature mythological_equine mythology neck_bulge onomatopoeia organs pegasus pony purple_mane rumbling_stomach sequence shad0w-galaxy shadow_galaxy_(character) short_playtime simple_background solo sound_effects stomach stomach_bulge swallowing sweat tail text tube tube_feeding tuft wings|12356155912