1girl, arm_support, bikini, black_hair, blush, breasts, breasts_apart, collarbone, front-tie_bikini_top, front-tie_top, idolmaster, idolmaster_shiny_colors, kazano_hiori, looking_up, mole, mole_under_mouth, navel, purple_eyes, side-tie_bikini_bottom, simple_background, small_breasts, solo, swimsuit, umirororo, wavy_hair, white_background, white_bikini