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2:3 animal_genitalia barbed_corona_glans barbed_glans biceps blue_eyes bodily_fluids claws collar dark_body dark_scales dragon dreamworks drooling european_mythology fangless fangless155 feral fin fury_(httyd)genital_fluids genital_slit genitals glans hi_res how_to_train_your_dragon knot knotted_penis looking_at_viewer lying male masturbation muscular muscular_male musk mythological_creature mythological_scalie mythology night_fury notched_fin notched_wings on_back penis precum purring ridged_knotted_penis ridged_penis saliva scales scalie scar solo spiked_collar spikes tail tongue tongue_out western_dragon wide_smile wings