FURVERT!

4_toes anthro balls bdsm biceps black_pawpads bodily_fluids bondage bound canid canine canis cloth_gag collar cum cum_in_container erection feet frogtied gag genital_fluids genitals hands_behind_back hi_res humanoid_genitalia humanoid_penis legs_tied littleblackalas lying machine male mammal milking_machine muscular pawpads penile penis penis_milking reclining restraints rope rope_bondage rope_harness shaking simple_background solo three-quarter_view toes watermark white_background wolf