2girls, beat_shooter_(idolmaster), bikini, blush, feet, greyscale, hair_between_eyes, idolmaster, idolmaster_cinderella_girls, loli, long_hair, matoba_risa, micro_bikini, monochrome, mukago_(mukagomumumu), multiple_girls, navel, sidelocks, simple_background, swimsuit, twintails, white_background, yuuki_haru