1girl, o, aged_down, b1ack_illust, black_bra, black_skirt, blue_hair, blush, bra, bra_visible_through_clothes, breasts, cropped_shirt, dark_blue_hair, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, large_breasts, long_sleeves, looking_at_viewer, looking_back, neckerchief, parted_bangs, pleated_skirt, ponytail, school_uniform, see-through, serafuku, simple_background, skirt, solo, toyokawa_fuka, underwear, white_background, yellow_neckerchief