FURVERT!

2013 3:4 anthro backsack balls barefoot biceps big_balls big_penis black_body black_fur black_hair black_nipples blackbear blue_body blue_fur brown_body brown_fur butt butt_grab canid canine canis collar duo ears_down erection eyes_closed feet fellatio foreskin fur genitals grey_body grey_fur hair hand_on_butt hand_on_head happy happy_sex head_grab head_in_crotch hi_res huge_penis humanoid_genitalia humanoid_penis kneeling leg_markings male male/male male_penetrated male_penetrating male_penetrating_male mammal markings masturbation multicolored_body multicolored_fur muscular nipples nude obscured_fellatio obscured_oral obscured_sex oral partially_retracted_foreskin paws pecs penetration penile penile_masturbation penis pink_penis pivoted_ears presenting sex simple_background sitting socks_(marking)standing standing_sex sucking two_tone_body two_tone_fur white_background wolf