OVA of IS: Infinite Stratos Announced

According to the official twitter, an OVA of IS: Infinite Stratos was announced to be released on November 25th. The title is "IS encore 'Koi ni Kogareru Sextet'".

Screenshots of IS OVA (Amazon Japan)

Source: IS official twitter

IS: Infinite Stratos Encore: Koi ni Kogareru Sextet on MAL