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