1girl, b1ack_illust, black_skirt, blue_hair, blush, book, book_hug, braid, breasts, crown_braid, dark_blue_hair, hair_tucking, holding, holding_book, hugging_object, idolmaster, idolmaster_million_live!, large_breasts, looking_at_viewer, nanao_yuriko, neck_ribbon, pleated_skirt, red_ribbon, ribbon, school_uniform, shirt, simple_background, skirt, solo, white_background, white_shirt