I haven't been able to find out much about AYM Cosplay except that the sizing is sometimes wrong, and I suspect that the finished article may not look like what is promised.
http://www.ebay.co.uk/itm/pink-lockable-lolita-Sissy-Maid-Satin-Dress-CD-TV-Tailor-Made-G2431-/262871966926?hash=item3d3463e4ce:g:v0MAAOSw32lYs4v0