rakuen has a link to see the original nontranslated page and you can find the Japanese name of the item on that.
Were they out of stock on everything you asked for? if so that's very unlucky.
I did just make an order myself but I don't think I sniped anything you were trying to order; my order had Rayxanber 2, the SF2 *with* the box, a pad, and some non-PCE things, including a copy of Dancing Stage: Dreams Come True that was so cheap I ordered it just to get the manual (which my copy has missing).