Looking at the NINKI ratings seem to put me into a 50% confidence: she is #9 (13.80; TUBE has #1 but roughly 50.90, nothing like those AKB48/Arashi 500+ ratings).
Hopefully she's back in the top 30 (or 20) with this, but if she can get a top ten, that would be really surprising to us here.
http://www.oricon.co.jp/rank/na/w/