poyih, kisaki (blue archive), kisaki (swimsuit) (blue archive), blue archive, highres, 1girl, alternate costume, alternate hairstyle, arm support, bare shoulders, bikini, black bikini, black hair, black jacket, braid, breasts, closed mouth, expressionless, grey eyes, grey halo, hair down, hair ornament, halo, halterneck, hand up, holding, holding removed eyewear, jacket, long hair, long sleeves, looking at viewer, navel, off shoulder, official alternate hairstyle, open clothes, open jacket, simple background, single braid, sitting, small breasts, solo, stomach, sunglasses, swimsuit, thighs, unworn eyewear, very long hair, white background