arknights, absurdres, commentary, english commentary, highres, 1girl, akkord (arknights), akkord (holiday) (arknights), ankleband, bare shoulders, barefoot, black ankleband, black one-piece swimsuit, blue eyes, blue hair, breasts, grey hair, horns, long hair, looking at viewer, medium breasts, multicolored hair, official alternate costume, one-piece swimsuit, savethepast, simple background, smile, solo, streaked hair, swimsuit, white background