io9, arona (blue archive), blue archive, absurdres, commentary, highres, 1girl, beach, bikini, black bikini, blue hair, blue sky, blush, bow, bow bikini, bow hairband, closed mouth, cloud, collarbone, colored inner hair, cowboy shot, day, frilled bikini, frills, hair over one eye, hairband, horizon, long bangs, multicolored hair, navel, ocean, one eye covered, outdoors, outstretched arms, parted bangs, reaching, reaching towards viewer, short hair, sky, smile, solo, split mouth, standing, stomach, straight-on, swimsuit, white bow, white hairband