hideki nagamachi, the idolmaster cinderella girls, the idolmaster series, multiple girls, japanese clothes, kimono, hair ornament, black hair, open mouth, short hair, hair flower, holding hands, smile, flower, fireworks, festival, one eye closed, looking at another, 6+girls, brown eyes, floral print, blush, brown hair, blonde hair, blue hair, yellow eyes, :d, long hair, yellow kimono, sash