hideki nagamachi, the idolmaster cinderella girls, the idolmaster series, seiza, sitting, japanese clothes, kimono, multiple girls, long hair, black hair, sash, obi, long sleeves, hands on lap, 6+girls, bangs, stage, indoors, twintails, flower, straight hair, brown hair, blue hair, hakama, blunt bangs, skirt, plant, wide sleeves, smile, closed eyes, hair ornament, umbrella, red kimono