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abs alternate_species anal anthro belly biceps big_penis black_eyes blush body_hair bottomless brown_body brown_fur brown_hair bulge butt canid canine canis chest_hair clenched_teeth clothed clothing detailed_background domestic_dog duo ear_piercing erection fingering foreskin fur genital_piercing genitals grey_body grey_fur grey_hair hair hand_on_belly hand_on_butt hi_res huge_penis humanoid_genitalia humanoid_penis komboochie larger_male lying male male/male mammal murid murine muscular muscular_arms muscular_male nipple_piercing nipples nude partially_retracted_foreskin pecs penis penis_piercing piercing rat relaxing rodent side_view sitting size_difference smaller_male steam tan_body tan_fur teeth thick_penis tongue tongue_out topless towel vein veiny_penis waffle_(ashwaffles)wolf