[[WMG: One character of Utawarerumono 2 is Aruru several years later.]]
And she's using Gachatara as a scarf.
** Well, it's plausible, the first adventure wasn't clear in about how many Yamagiras there were in the world, for all we know they all came from that single village and later Hakuoro's Kingdom, and those set of clothes seems to be exclusive of Eruru and Aruru's relatives.