shiroyukimajima, mayuzumi fuyuko, idolmaster, idolmaster shiny colors, 1girl, between legs, bikini, black hair, blue bow, blue sailor collar, bow, breasts, collarbone, day, hair bow, hand between legs, knee up, long hair, looking at viewer, open mouth, outdoors, sailor bikini, sailor collar, sailor swimsuit (idolmaster), sitting, solo, swimsuit, two-tone bow, two side up, white bikini, white bow, yellow eyes