masterpiece, 1girl, arm support, bangs, bare arms, bare legs, bare shoulders, black bikini, black hair, blue hairband, blush, by yuuji and, collarbone, frilled bikini, glasses, green eyes, hair between eyes, long hair, looking at viewer, navel, parted lips, simple background, sitting, small breasts, solo, stomach, string bikini, under-rim eyewear, yellow background