inumori sayaka, belfraw martini, summon night, summon night 3, 1girl, bare shoulders, barefoot, bikini, blonde hair, blue eyes, blush, cameltoe, collarbone, female focus, flat chest, front-tie top, full body, kneeling, loli, long hair, looking at viewer, one eye closed, panties, side-tie bikini bottom, side-tie panties, simple background, solo, string bikini, swimsuit, underwear, undressing, untied bikini, very long hair, white background, white bikini, wink