The Japanese internet has assembled the costume for character Serah from the goods at low priced, budget-priced Japanese retailer
Shimamura. All these items, while not *exactly* the same, are purchasable! The total tally is ¥9,350 or US$103.
FF13のセラの服はしまむらで揃える事が出来るらしい [はちま起稿]