zarashi, kisaki (blue archive), kisaki (swimsuit) (blue archive), blue archive, highres, 1girl, aqua eyes, bikini, black bikini, black hair, black jacket, braid, braided ponytail, breasts, butterfly hair ornament, closed mouth, collarbone, contrapposto, eyewear on head, feet out of frame, grey halo, hair ornament, halo, jacket, long hair, looking at viewer, multi-strapped bikini bottom, navel, official alternate costume, official alternate hairstyle, simple background, small breasts, solo, standing, sunglasses, swimsuit, thigh gap, white background