1girl, bow, bow_panties, bra, brushing_teeth, flat_chest, fukumaru_koito, hiroki_(yyqw7151), idolmaster, idolmaster_shiny_colors, long_sleeves, looking_to_the_side, open_clothes, open_shirt, panties, pink_eyes, simple_background, solo, toothbrush, toothbrush_in_mouth, underwear, white_background, white_bra, white_panties