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