niban (puka 0507), jougasaki mika, idolmaster, idolmaster cinderella girls, highres, 1girl, bare shoulders, bikini, blue scrunchie, blush, breasts, cleavage, collarbone, eyewear on head, grin, hair between eyes, long hair, looking at viewer, medium breasts, navel, o-ring, o-ring bikini, o-ring top, one eye closed, partially submerged, pink bikini, pink hair, ponytail, scrunchie, sidelocks, smile, solo, sunglasses, swimsuit, thighs, yellow eyes