Rule 34 Dev - 2022 anthro antlers arms_tied ball_gag balls biped blindfold bound cervid digital_media_(artwork) display_case erection femboy fur furry furry_only gag genitals grey_body grey_fur hair hooves horn legs_tied lying machine male male_only mammal milking_machine museum naked nude on_back penile penis_milking penis_milking_machine purple_body purple_fur purple_hair ruaidri solo tail white_body white_fur|6475197128