1girl, animal_ears, blue_eyes, blue_hair, blue_sclera, blue_skin, blue_theme, breasts, closed_mouth, colored_sclera, colored_skin, completely_nude, large_breasts, looking_at_viewer, monochrome, monster_girl, navel, nude, original, ruteko_(ruko220), simple_background, skeletal_wings, slime_girl, smile, solo, spread_wings, standing, twitter_username, white_background, wings