Source:
http://www.tokyograph.com/news/id-5356But got this via
http://community.livejournal.com/aramatheydidntBerryz Koubou's Maasa Sudo cast in "Light Novel" adaptationMon, October 12, 2009 (3:25am EDT)
Toru Honda's popular light novel series "Light Novel no Tanoshii Kakikata" is being turned into a live-action film next year, with Maasa Sudo (17) of Berryz Koubou playing the heroine role.
Published by GA Bunko, the novel series is a romantic comedy about a male high school student named Yakumo Atae, who knows that his classmate Tsurugi Yabusame is secretly a light novel author.
Sudo will play the part of Tsurugi. The rest of the cast, including the protagonist Yakumo, will be announced in the near future.

Who knew Maasa would get to try her acting chops!!