FURVERT!

after_sex alien ambiguous_gender anal anal_penetration anal_prolapse animal_genitalia animal_penis antennae_(anatomy)anus big_penis canid canine clenched_teeth duo erection feral fur genitals hi_res holding_another hybrid lying male male/male male_penetrating mammal mandibles on_side penetration penile penis prolapse puppyratcat rodent scar sex simple_background size_difference sleep_sex sleeping tail teeth vortihound xog