Rule 34 Dev - 2girls balloon brown_eyes brown_hair game_cg green_hair hallway idolmaster idolmaster_cinderella_girls idolmaster_cinderella_girls_starlight_stage multiple_girls official_art ohishi_izumi open_mouth pleated_skirt ponytail red_eyes red_sailor_collar red_skirt sailor_collar school_uniform serafuku skirt takamori_aiko|21718698885