carmen (project moon), virtuosa (arknights), arknights, library of ruina, lobotomy corporation, project moon, absurdres, commentary, commission, highres, second-party source, untranslatable commentary, 1girl, alternate hairstyle, ascot, beamed eighth notes, black ascot, black halo, black skirt, black thighhighs, bow (music), brown hair, cello, cosplay, crossover, detached wings, halo, holding, holding bow (music), holding instrument, instrument, jile lemon, long hair, musical note, musical staff, playing instrument, ponytail, red eyes, shirt, skirt, thighhighs, treble clef, virtuosa (arknights) (cosplay), white shirt, wings