FURVERT!

1:1 5_fingers abs absurd_res anthro anthro_on_anthro ball_size_difference balls bear biceps big_balls big_penis biped black_bear black_body black_fur blush blush_lines bodily_fluids brown_body brown_fur canid canine canis countershade_face countershade_fur countershade_torso countershading cum duo erection fingers fur genital_fluids genitals glans hi_res humanoid_genitalia humanoid_penis impwitter interspecies male male/male mammal moon_bear muscular muscular_anthro muscular_male nipple_fetish nipple_play nipple_suck pecs penis penis_size_difference sucking tail ursine vein veiny_penis water wolf