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anthro back_muscles big_butt biped black_body black_fur black_nose bleakcat brown_body brown_fur butt canid canine canis clothed clothing collar collar_only dobermann domestic_dog fur klaus_doberman_(character)looking_back male male_anthro mammal multicolored_body multicolored_fur muscular muscular_male nude nude_anthro nude_male partially_clothed pinscher presenting presenting_hindquarters rear_view short_tail simple_background solo tail tongue tongue_out two_tone_body two_tone_fur underwear underwear_down undressing