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abs anthro big_muscles bone bulge canid canine canis clothing collar comic dialogue domestic_dog duo english_text furious_(artist)german_shepherd greyscale groover herding_dog hi_res huge_muscles hyper hyper_muscles licking male male/male mammal meatier_shower monochrome multiple_scenes muscular muscular_male nipple_fetish nipple_lick nipple_play nipples pastoral_dog tanz text tongue tongue_out underwear vein