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anthro biped black_nose black_sclera bondage_chair bondage_furniture bound cable canid canine canis chair clothed clothing cuff_(restraint)dark_theme darkness detailed digital_media_(artwork)domestic_dog energy front_view fur furniture glowing glowing_eyes grey_body grey_fur hair half-length_portrait inside long_hair looking_at_viewer male mammal muscular muscular_anthro muscular_male nude orphen-sirius pecs portrait restraints scientific_experiment shackles sitting solo three-quarter_view topless white_eyes