FURVERT!

anthro anus bella_(allenr)big_butt black_hair brown_body brown_fur butt domestic_cat duo felid feline felis female fur genitals grey_body grey_fur grey_hair hair hi_res larger_female larger_penetrated male male/female mammal murid murine on_bottom on_top penetration penile penile_penetration penis_in_vagina power_bottom rat reverse_cowgirl_position rodent sex size_difference smaller_male twistedteeth vaginal vaginal_penetration vulva whiskers