akita hika, asuna (blue archive), blue archive, highres, 1girl, alternate costume, aqua bikini, aqua hair, aqua halo, aqua ribbon, bent over, bikini, black choker, blue sky, breasts, choker, cleavage, day, front-tie bikini top, front-tie top, grey hair, hair ornament, hair over one eye, hair ribbon, halo, huge breasts, long hair, looking at viewer, mole, mole on breast, one eye covered, open mouth, outdoors, ribbon, side-tie bikini bottom, sideboob, sky, solo, swimsuit, thigh strap, thighs, underboob