FURVERT!

2010 anal anal_masturbation anal_penetration anthro balls biped bovid caprine digital_media_(artwork)erection eyes_closed genitals horn humanoid_genitalia humanoid_penis jailbird lying male mammal masturbation nude object_in_ass on_back penetration penis sex_toy sex_toy_in_ass sex_toy_insertion shaded simple_background solo spread_legs spreading toying_self vibrator vibrator_in_ass