akitsuki karasu, selvaria bles, senjou no valkyria, senjou no valkyria (series), senjou no valkyria 1, silver hair, 00s, 1girl, bare shoulders, beach, bikini, black bikini, blush, breasts, cleavage, cleavage cutout, clothing cutout, cloud, crossed arms, day, female focus, halterneck, large breasts, legs, letterboxed, long hair, lying, navel, ocean, on side, outdoors, red eyes, sand, side-tie bikini bottom, sky, solo, swimsuit, water