nishimiya aki, indigo (arknights), indigo (serene day) (arknights), arknights, absurdres, highres, unfinished, 1girl, blonde hair, breasts, clothing cutout, dress, elbow gloves, expressionless, gloves, hair between eyes, hair ornament, long hair, long sleeves, official alternate costume, one side up, parted lips, pointy ears, purple eyes, sitting, snake tail, solo, tail, test tube, thighs, very long hair, white background, white dress, yokozuwari