haua, sunazuka akira, idolmaster, idolmaster cinderella girls, highres, 1girl, bare arms, bare legs, bikini, black bikini, blue bikini, blue nails, blush, breasts, brown eyes, brown hair, cleavage, collarbone, cowboy shot, crossed bangs, grin, groin, hair between eyes, halterneck, hand on own hip, long hair, multicolored bikini, nail polish, navel, side-tie bikini bottom, small breasts, smile, solo, standing, swimsuit, twintails, two-tone bikini