hideki nagamachi, the idolmaster cinderella girls, the idolmaster series, multiple girls, japanese clothes, kimono, shiomi syuko, black hair, short hair, hair ornament, holding hands, smile, open mouth, hair flower, flower, one eye closed, fireworks, blonde hair, brown eyes, festival, grey hair, blush, floral print, brown hair, 5girls, 6+girls, looking at another, sash, interlocked fingers