FURVERT!

3:2 all_fours animal_genitalia animal_penis annelid anthro anus backsack badquinque balls bodily_fluids caedis_animus cum domestic_cat earthworm ejaculation erection felid feline feline_genitalia feline_penis felis fur genital_fluids genitals grey_body grey_fur hi_res infestation infesticles inside_balls living_insertion male mammal parasite penetration penile_spines penis solo urethra_worm urethral urethral_penetration worm