anal anal_penetration anthro backsack balls blush bottomless butt buttplug caprine clothed clothing ear_piercing goat hair half-closed_eyes horn hotkeke1 keke_(hotkeke1) leaning leaning_forward looking_back male mammal penetration penis piercing pink_hair pink_penis pink_tail portrait presenting presenting_hindquarters rear_view red_eyes reddened_butt sex_toy simple_background solo three-quarter_portrait tongue tongue_out white_background