1girl, alternate_costume, alternate_hairstyle, b1ack_illust, black_skirt, blue_hair, blush, breasts, cowboy_shot, dark_blue_hair, holding, holding_paper, idolmaster, idolmaster_(classic), idolmaster_million_live!, kisaragi_chihaya, lanyard, long_hair, looking_at_viewer, office, office_lady, paper, pencil_skirt, ponytail, shirt, skirt, small_breasts, smile, solo, very_long_hair, white_shirt