hideki nagamachi, the idolmaster cinderella girls, the idolmaster series, multiple girls, japanese clothes, kimono, hair ornament, short hair, open mouth, fireworks, smile, black hair, hair flower, flower, looking at another, holding hands, floral print, 4girls, yellow eyes, blush, brown eyes, blue hair, yellow kimono, one eye closed, blonde hair, :d, brown hair, sash, grey hair, festival, hand fan, red kimono