momomatang, kisaki (blue archive), blue archive, highres, 1girl, arm support, bare legs, barefoot, black hair, black one-piece swimsuit, blush, breasts, covered navel, feet, full body, grey eyes, hair bobbles, hair ornament, halo, long hair, looking at viewer, low twintails, name tag, one-piece swimsuit, open mouth, school swimsuit, simple background, sitting, skirt, small breasts, solo, sweat, swimsuit, toes, twintails, unworn skirt, white background