1girl, 1other, absurdres, bare_shoulders, black_hair, blue_eyes, book, breasts, cleavage, foreshortening, from_above, hair_between_eyes, hairband, hand_in_another's_hair, highres, holding, holding_book, idolmaster, idolmaster_cinderella_girls, large_breasts, long_hair, naked_towel, sagisawa_fumika, sanpo_(sanpo_1027), towel, wet