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1:1 anthro balls big_balls big_muscles big_nipples big_pecs big_penis bodily_fluids canid canine canis claws domestic_dog flexing_muscles foreskin front_view full-length_portrait genitals german_shepherd hair half-erect herding_dog hi_res huge_balls huge_muscles huge_nipples huge_pecs huge_penis humanoid_genitalia humanoid_penis hyper hyper_balls hyper_genitalia hyper_muscles hyper_pecs hyper_penis lactating male male_anthro male_lactation mammal monochrome muscular muscular_anthro muscular_male nipples nude pastoral_dog pecs penis portrait pose reirun short_hair signature simple_background sketch smile solaxe_(artist)solo standing toe_claws