FURVERT!

animal_genitalia anus artonis barely_visible_anus black_border border dark_theme dragon erection feral genital_slit genitals knot long_neck male matched_pair membrane_(anatomy)membranous_wings moon mythological_creature mythological_scalie mythology penis quadruped scalie sheath solo tail tail_anus tailbutt tapering_tail thick_tail water wide_crotch wings