1girl, ahoge, animal ears, black bracelet, blush, bow, braid, cat ears, cat girl, cat tail, floppy ears, fur-trimmed sleeves, fur trim, green bow, green hairband, green sleeves, hair bow, hair ornament, hairband, hairclip, holding, holding instrument, horns, infection monitor arknights, instrument, layered sleeves, long sleeves, looking at viewer, official alternate costume, pink hair, pom pom clothes, red bow, red hairband, red sweater, simple background, single horn, smile, solo, sweater, tail, tail bow, tail ornament, white background, wings, x hair ornament, yellow eyes