FURVERT!

anthro balls big_balls big_butt big_penis black_hair blep brown_body brown_fur butt canid canine canis castbound domestic_dog erection fur genitals hair hair_over_eye hi_res humanoid_genitalia humanoid_penis looking_at_viewer lying male mammal muscular muscular_anthro muscular_male nipples nude on_side one_eye_obstructed penis red_eyes russell_(castbound)solo tongue tongue_out