Rule 34 Dev - 2017 animal_genitalia barbed_penis biceps black_scales blue_eyes blue_fur blue_scales claws clenched_teeth detailed_background digitigrade dragon duo erection feral feral_on_feral frottage fur furred_dragon genital_slit glans grass high-angle_view highres hindpaw kneeling knot leg_grab looking_at_penis looking_pleasured lying male membranous_wings multicolored_scales muscular muscular_male on_back open_mouth paws pecs penis ridged_penis rollwulf scales scalie sex sharp_teeth slit smile smirk snow spines syrazor teeth teryx_commodore tongue tongue_out two_tone_scales vein veiny_penis water wings yaoi yellow_eyes yellow_fur|2582771232