1girl, atg_(wttoo0202), bikini, brown_eyes, brown_hair, flat_chest, hairband, idolmaster, idolmaster_cinderella_girls, koga_koharu, loli, looking_at_viewer, parted_lips, pink_bikini, pink_hairband, short_hair, simple_background, sitting, solo, swimsuit, two-tone_bikini, white_background