FURVERT!

4_toes 5_fingers abs animal_genitalia animal_penis anthro balls biceps big_balls big_muscles big_penis black_nose black_pawpads blue_body blue_eyes blue_fur bodily_fluids canid canine canine_genitalia canine_penis canis claws digitigrade erection eyewear feet fingers fur genital_fluids genitals glasses grey_background grey_body grey_fur hi_res humanoid_hands knot looking_at_viewer male mammal multicolored_body multicolored_fur muscular muscular_anthro muscular_male nipples nude pawpads pecs penis pose precum randolph_(xuan_sirius)simple_background sketch smile smirk solo toe_claws toes two_tone_body two_tone_fur vein veiny_penis wolf xuan_sirius