masaki (msk064), kisaki (blue archive), kisaki (swimsuit) (blue archive), blue archive, absurdres, commentary, highres, 1girl, bikini, black bikini, black hair, black robe, black sandals, blue flower, blue petals, blush, braid, braid over shoulder, breasts, butterfly hair ornament, cleavage cutout, clothing cutout, collarbone, cowboy shot, d:, diamond cutout, eyewear on head, floral print, flower, grey eyes, grey halo, groin, hair ornament, halo, long hair, looking at viewer, navel, official alternate costume, official alternate hairstyle, oil-paper umbrella, open mouth, partially submerged, petals, purple-tinted eyewear, robe, sandals, side braid, small breasts, solo, stomach, sunglasses, swimsuit, tinted eyewear, umbrella, very long hair, water