1girl, animal_ears, azur_lane, blue_eyes, blue_hair, blush, breasts, cat_ears, fake_animal_ears, halloween, halloween_costume, jack-o'-lantern, janus_(azur_lane), janus_(fright-night_scaredy-cat)_(azur_lane), long_hair, looking_at_viewer, lyvysn, navel, official_alternate_costume, official_alternate_hairstyle, open_mouth, simple_background, small_breasts, solo, tail, thighhighs, twintails