Somehow, Nintendo finally cared about the old miis and gave them very advanced AI, they can do anything. So Xixi made a GC. They can add other people from other Games that has Miis included.

Members, Xixi (Creator), Barbara (Mii Party U version), Araceli, Sara, Rie, Kathrin, Sophia (Mii Party U Version), Jin-ah, Na-rae, Millie, Susie, Haruka, Haru, Alice, and Skip.