日本一ソフトウェア
is a tactical role-playing game for the Sony PlayStation 2 video game console developed and published by Nippon Ichi Software. It was released on January 22, 2004 in Japan, on August 31, 2004 in North America and on February 4, 2005 in Europe. The North American release was the first game published by NIS America. The game shipped in two "editions"—Normal and Special—the Special edition coming with a free soundtrack and shortened instruction manual.