1futa armpits arms_up bottomless breasts cape erection full_body futa_only futanari hair hair_intakes hair_ornament hair_ribbon high_heels intersex katana legs long_ponytail looking_at_viewer lowres penis pixel_art ponytail purple_hair simple_background smile solo standing sword thighs tied_hair toes under_night_in-birth weapon white_background wink yuzuriha_(under_night_in-birth)