FURVERT!

anthro balls bear belly biceps blush bodily_fluids canid canine caught_in_the_act clothing comic dialogue duo end_page english_text erection fox fur genitals greyscale hi_res humanoid_genitalia humanoid_penis jin_(artist)male mammal masturbation me_and_my_teacher monochrome muscular nipples penile penile_masturbation penis polar_bear profanity slightly_chubby sweat text ursine