, also known as Vanguard Princess: Senjin no Himegimi (ヴァンガードプリンセス 先陣の姫君) is a Japanese dōjin 2D fighting game for Windows and Linux, developed by a single programmer and illustrator Tomoaki Sugeno nicknamed Suge9. The game was created using Fighter Maker 2nd was released for PC on June 26, 2009, and April 10, 2013, for OnLive.
