1boy 3girls =_= alternate_hairstyle bad_id bad_pixiv_id blush bow brown_hair collarbone dress_shirt green_eyes hair_bow heart idolmaster idolmaster_cinderella_girls jougasaki_mika long_hair multiple_girls necktie no_cardigan one_side_up open_mouth p-head_producer paopao pink_hair producer_(idolmaster) school_uniform shibuya_rin shimamura_uzuki shirt short_sleeves skirt smile star_(symbol) twintails