1girl, black_hair, bra, flat_chest, fukumaru_koito, hiroki_(yyqw7151), idolmaster, idolmaster_shiny_colors, looking_at_viewer, open_clothes, open_mouth, open_shirt, panties, red_eyes, shirt, shirt_on_shoulders, short_hair, simple_background, smile, solo, underwear, white_background, white_bra, white_panties, white_shirt