1girl, o, black_footwear, blue_vest, bow, bowtie, buttoned_cuffs, buttons, cane, confetti, dark_background, frilled_skirt, frills, hands_up, happy_birthday, hat, holding, holding_cane, idolmaster, idolmaster_million_live!, jacket, leg_up, legs, long_sleeves, looking_at_viewer, makabe_mizuki, midair, mimizubare, pink_bow, pink_bowtie, pink_thighhighs, pleated_skirt, purple_hair, shirt, shoes, short_hair, sidelocks, skirt, solo, starry_background, thighhighs, thighs, vest, wavy_hair, white_headwear, white_jacket, white_shirt, white_skirt, yellow_eyes