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