e (eokiba), sagisawa fumika, idolmaster, idolmaster cinderella girls, commission, highres, second-party source, skeb commission, 1girl, bare shoulders, barefoot, bikini, black bikini, black hair, blue eyes, blush, breasts, cleavage, collarbone, criss-cross halter, groin, hair between eyes, halterneck, large breasts, long hair, navel, o-ring, o-ring bikini, on bed, parted lips, side ponytail, sitting, solo, swimsuit, thighs