Hakushaku to Yousei light novel series has been officially confirmed to be getting a TV anime adaptation on Cobalt Bunko's news page:
http://cobalt.shueisha.co.jp/news/
The anime adaptation was mentioned in
this post.
Ok, so another girl's light novel series will be getting animated, and it comes from the same girl's light novel label that published the Maria-sama ga Miteru light novel series.