1girl, t, argyle_hairband, armpit_crease, bikini, black_hair, blue_eyes, blush, breasts, brown_bikini, cleavage, collarbone, cropped_torso, hair_between_breasts, idolmaster, idolmaster_cinderella_girls, large_breasts, looking_at_viewer, rufei_bot, sagisawa_fumika, solo, straight_hair, swimsuit, twitter_username, upper_body