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1:1 anthro anthro_on_anthro arms_bent balls bambii_dog bdsm bent_legs biped bondage bound canid canid_demon canine collar collar_only demon digital_media_(artwork)digitigrade dominant dominant_male duo erection eyewear fur furniture genitals glasses grin hair half-closed_eyes hands_behind_back harness harness_only harness_ring hellhound hi_res horn hybrid inside kneeling knot leash legs_over_edge male male/male mammal muscular muscular_male mustelid mythological_canine mythological_creature mythology narrowed_eyes nude on_sofa otter over_edge penile_spines penis pubes rape_face resting_arms ring_(hardware)shaded shadow sharp_teeth short_hair signature sitting sitting_on_sofa smile snout sofa soft_shading spread_legs spreading submissive submissive_male teeth