FURVERT!

1:1 anal anal_penetration anthro anus backsack balls blue_anus blue_claws blue_eyes blue_hair blue_nails blue_penis blue_tongue butt canid canine chastity_cage chastity_device claws colored_nails disembodied_penis genitals green_penis hair hi_res looking_at_viewer looking_back looking_back_at_viewer low-angle_view male male_anthro mammal metal_chastity_cage nails nefitail penetration penile penile_penetration penis penis_in_ass presenting presenting_hindquarters solo spread_anus spread_butt spreading tongue tongue_out