yui (niikyouzou), infection monitor (arknights), reserve operator caster (arknights), arknights, official art, third-party source, 1girl, animal ears, bag, black hat, black jacket, black pantyhose, black theme, brown hair, covered eyes, covered mouth, faceless, faceless female, full body, grey skirt, hat, holding, holding wand, jacket, long sleeves, lop rabbit ears, pantyhose, rabbit ears, rhodes island uniform, shoulder bag, simple background, skirt, solo, standing, tachi-e, transparent background, wand