silence (ambience synesthesia) (arknights), silence (arknights), arknights, highres, 1girl, :|, belt, blush, boots, breasts, closed mouth, collared dress, dress, expressionless, feather hair, film grain, full body, glasses, hand on own knee, heavy film grain, i sleepingnow, invisible chair, kneehighs, knees together feet apart, looking at viewer, medium hair, monochrome, official alternate costume, owl ears, owl girl, pencil dress, round eyewear, short sleeves, sidelocks, single kneehigh, single sock, sitting, small breasts, socks, solo