FURVERT!

1:1 6_nipples absurd_res ahoge anthro ball_stretcher bdsm bell big_penis blush bodily_fluids bondage border bottomless bound canid canine catheter catheter_in_urethra clothed clothing crocodile_clip cuff_(restraint)cum cum_circulation cum_in_self cum_inside ears_down electrostimulation gag genital_fluids genitals hair hi_res john002021 kneeling knot leaning leaning_backward linked_nipples linked_piercing male mammal medical_instrument monochrome multi_nipple narrowed_eyes nipple_piercing nipple_to_penis nipples notched_ear open_mouth_gag oral_tube penis piercing pivoted_ears raised_clothing raised_shirt raised_topwear restraints scientific_instrument shirt solo topwear translucent translucent_hair vein veiny_penis yellow_border