1girl, armpits, beach, bikini, blonde_hair, blush, breasts, cleavage, collarbone, green_eyes, groin, idolmaster, idolmaster_cinderella_girls, large_breasts, leaning_forward, looking_at_viewer, navel, outdoors, para4o, sarong, skindentation, smile, solo, swimsuit, umeki_otoha, white_bikini