kottungyang, rio (blue archive), blue archive, commentary request, highres, 1girl, ass, back, bare shoulders, barefoot, black hair, black halo, black panties, blush, breasts, bright pupils, closed mouth, from side, grabbing own breast, halo, large breasts, long hair, looking at viewer, looking to the side, multicolored halo, panties, red eyes, red halo, sitting, toes, two-tone halo, underwear, very long hair, wariza, zoom layer