2019 anthro balls biped black_claws black_horn blue_balls blue_scales blue_tail claws digital_media_(artwork) dragon erection fangs glans grey_scales hand_on_hip high-angle_view horn humanoid_penis kammi-lu looking_at_viewer lying male membranous_wings multicolored_scales multicolored_tail nude on_back penis scales scalie signature solo toe_claws toes two_tone_tail wings yellow_eyes yellow_glans yellow_penis yellow_scales yellow_tail