StrikerS Sound Stage M The StrikerS (StrikerS サウンドステージM The StrikerS Sutoraikāzu Saundo Stēji M The StrikerS), equivalent to "Sound Stage M2" of all media, is a Sound Stage of Sound Stage of::Magical Girl Lyrical Nanoha StrikerS. It was originally published on published::May 1, 2007.