If you can put together a bulk taobao order...
(Somehow, for this character, it looks like Lucaille's offering is a little too pink, but they do speak English and allow you to order directly from them, taobao prices and no shopping service necessary. However, they do not get you any EMS discount the way shopping services do)
* Very thick and the highest quality on taobao. WYSIWYG.
* I heard that Ghost sweeps all the wig fibres to the front/back depending on which side they're photographing from, but given that it's a ponytail style, you probably won't have volume problems.