FURVERT!

abs anthro armpit_hair big_muscles big_pecs black_nose bodily_fluids body_hair boxer_briefs bulge canid canine canis clothing detailed_bulge exercise fangs fur genital_outline grey_body grey_fur hands_behind_head hi_res k0bit0wani kemono looking_at_viewer male mammal multicolored_body multicolored_fur muscular muscular_anthro muscular_male nintendo nipples pecs penis_outline red_background red_eyes simple_background sit-up solo star_fox sweat sweatdrop teeth two_tone_body two_tone_fur underwear white_body white_fur wolf wolf_o'donnell workout