absurd_res alicorn animal_genitalia animal_penis aphrodisiac balls bedroom_eyes big_penis brother brother_and_sister cum cum_inside cum_leaking cum_on_glass cum_string cumshot dialogue dickgirl dickgirl/male duo ejaculation english_text equine equine_penis excessive_cum friendship_is_magic fuzzy_balls glowing glowing_eyes glowing_horn half-closed_eyes hand_on_glass hi_res horn horse horsecock horsecock_futanari incest intersex intersex/male kinktober magic male mammal my_little_pony on_glass orgasm pedalspony_(artist) penis penis_on_glass pony seductive shining_armor_(mlp) sibling sister spell text thighs_on_glass tongue tongue_out twilight_sparkle_(mlp) unicorn wings