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2020 anthro big_penis black_body black_countershading black_foreskin black_penis blue_body bodily_fluids bottomless clothed clothing countershading dragon european_mythology eyes_closed foreskin genital_fluids genitals green_clothing green_shirt green_topwear grey_background hi_res huge_penis humanoid_genitalia humanoid_penis long_foreskin male mask medical_instrument muscular muscular_anthro muscular_arms muscular_legs muscular_male mythological_creature mythological_scalie mythology open_clothing open_shirt open_topwear penis precum precum_string red_clothing red_shirt red_topwear scalie scientific_instrument shirt simple_background surgical_mask tail topwear unretracted_foreskin vein veiny_penis western_dragon zawn zawn_(character)