FURVERT!

against_surface against_wall ambiguous_penetration anthro anthro_on_anthro arms_above_head big_feet big_tail bite biting_another biting_partner black_penis boots bottomwear bottomwear_down canid canine clothed clothing duo erection feet footwear genitals holly_marie_ogburn interspecies kangaroo legwear macropod male male/male mammal marsupial military nazi neck_bite pants pants_down partially_clothed penetration penis pinned predator/prey sex shoes socks standing tail throat_biting uniform vein veiny_penis world_war_2