Rule 34 Dev - 16:9 3d 4k absurd_res anthro ass bathroom blue_eyes blue_hair blush chains clothing collar equid equine erection friendship_is_magic genitals hair hasbro hi_res horn inside male male_only mammal my_little_pony nude penis pose shackles shining_armor_(mlp) slave solo steam underwear undressing unicorn unie widescreen|4530033352