hierda (arknights), arknights, library of ruina, project moon, absurdres, chinese commentary, commentary request, highres, 1girl, 2girls, :|, animal ears, artist name, black dress, black hat, brown hair, closed eyes, closed mouth, cosplay, crossover, dress, e.g.o (project moon), facing viewer, floppy ears, hat, jile lemon, long sleeves, multiple girls, name tag, own hands clasped, own hands together, plague doctor mask, praying, prophet (e.g.o), rabbit ears, rabbit girl, short hair, simple background, solo, white background, wings