1girl absurdres alternate_costume antennae arknights armlet bangs bare_shoulders black_dress black_neckwear blush breasts brown_eyes china_dress chinese_clothes choker cleavage clothing_cutout collarbone cowboy_shot double_bun dress finger_in_own_mouth from_side gradient_dress grey_background grey_hair hair_bun highres horns looking_at_viewer medium_breasts nail_polish navel navel_cutout pelvic_curtain red_nails shokuyou_koori side_slit simple_background sleeveless sleeveless_dress solo tail thigh_strap w_(arknights)