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1:1 2019 animal_genitalia anus auroth_the_winter_wyvern bodily_fluids butt crossgender digital_media_(artwork)dota dragon erection european_mythology feral ftm_crossgender genital_fluids genital_slit genitals glans hi_res hybrid_genitalia hybrid_penis knot male mythological_creature mythological_scalie mythology naughtyrodent penis perineum precum presenting presenting_hindquarters presenting_penis ridged_penis scalie solo tail teeth valve valve_corporation western_dragon wings wyvern