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1:1 abs animal_genitalia animal_penis anthro balls black_body black_fur black_nose blue_eyes blush canid canine canine_genitalia canine_penis canis claws close-up duo erection eyes_closed fellatio fur genitals grey_body grey_fur hi_res knot male male/male mammal mr._black_(rrowdybeast)mr._red_(rrowdybeast)muscular muscular_male nude oral penile penis red_body red_fur rrowdybeast sex sheath simple_background smile tongue wolf