1girl, ahoge, blue_ribbon, breasts, cleavage, double_bun, emu_(emum), fangs, grey_background, hair_bun, idolmaster, idolmaster_cinderella_girls, looking_at_viewer, medium_breasts, pink_eyes, pink_hair, purple_ribbon, ribbon, short_hair, solo, teeth, upper_body, w, yumemi_riamu