FURVERT!

1:1 anthro battletoads big_blag big_butt big_moobs black_hair butt canid canine cephalo comic duo fellatio fox genitals greyscale hair hi_res huge_butt huge_moobs humanoid_genitalia humanoid_penis irrumatio male male/male male_anthro mammal monochrome moobs murid murine nipples obese obese_anthro obese_male oral oral_penetration overweight overweight_anthro overweight_male penetration penile penis penis_in_mouth rareware rat rodent sex size_difference tail teeth vein veiny_penis