2018 4_toes animal_genitalia animal_penis anus balls barefoot bedroom_eyes butt claws detailed_background dragon erection feral half-closed_eyes hindpaw horn jilocasin knot looking_at_viewer looking_back lunalei lying male male_only nude on_side outside pawpads paws penis pink_penis presenting presenting_anus presenting_hindquarters presenting_penis rear_view red_eyes reptile ridged_penis scales scalie seductive sharp_claws smile solo solo_focus spikes thick_tail thick_thighs toe_claws toes wings yellow_eyes yellow_scales