The dancers didn't know that Etsu and Chiharu join to performance until on the day's rehearsal.Then They were over the moon.(I heard this from former Namie's dancer Tetsuharu.)
Yeah Here's mine, and so sad.
Hope bring them back soon.
I don't know how reliable but some articles are out about this.
Fans "that didn't buy any of her CDs" are rushing to buy her catalogs now.
Many of online store's her catalog status is Back Order.dd
Don't worry, avex has PLENTY!