all_fours anthro ass_up backsack balls canid canine canis colored_sketch curtains domestic_dog ejaculation electric_wire electricity electrostimulation erection feral foreskin genitals hi_res humanoid_genitalia humanoid_penis inside kemono male mammal nude object_in_urethra pawpads penetration penis rear_view retracted_foreskin signature sketch solo tongue tongue_out urethral urethral_penetration wire_in_urethra yellow_body zosen
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