aoi riko, eri (blue archive), blue archive, absurdres, commentary, highres, 1girl, black shirt, black skirt, black undershirt, blush, braid, braided sidelock, bralines, closed mouth, cowboy shot, earrings, hair between eyes, halo, head tilt, jewelry, long hair, looking at viewer, open clothes, open shirt, opened by self, pleated skirt, shirt, simple background, single braid, skirt, smile, solo, turtleneck, turtleneck shirt, white background, white hair, white shirt, yellow halo