According to the official website, age's spin off novel & manga series "Muv-Luv Alternative Total Eclipse
" was announced to get a TV anime adaptation. It will be aired in 2012.
Muv-Luv AL TE Anime official website
Total Eclipse novel official website
is age's adult PC game released in 2006. Its manga adaptation
has been serialized in Monthly Comic Dengeki Daioh since 2007. Total Eclipse is a spin-off novel of Alternative.
Yoshida Hirohiko (Yoshimune Koki), the President of age, posted on his twitter that he wanted to animate the original "Muv-Luv" and "Muv-Luv Alternative", but it's relatively easier to find the sponsors of "Total Eclipse" and another spin-off "Euro Front".
Source: Yoshida (Yoshimune)'s twitter
News credit: Socom
Muv-Luv Alternative: Total Eclipse