anal anal_penetration anus black_body black_scales blue_markings bodily_fluids claws cum cum_inside cum_on_self dragon drathus_(character) dreamworks duo erection european_mythology feral feral_on_feral fury_(httyd) genital_fluids genitals grass green_eyes green_markings how_to_train_your_dragon iero-lau male male/male male_penetrated male_penetrating male_penetrating_male markings mythological_creature mythological_scalie mythology night_fury penetration penis plant saerin_(character) scales scalie sex size_difference smaller_penetrated tail tapering_penis teeth tongue tongue_out western_dragon
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