上海アリス幻樂団
On April 2 2004, Twilight Frontier announced the production of "Immaterial and Missing Power," with Team Shanghai Alice. On December 21, a demo, which had the first three stages of Reimu's story mode, and the characters Reimu, Marisa, Alice and Youmu available in the versus mode, was released digitally. The finished game was sold at the 67th Comiket on December 30 2004.