Koukidou Gensou GPM - Gunparade March is a Japanese video game that was later turned into a 3 volume manga and a 12 episode anime. The video game, Koukidou Gensou Gun Parade March was released on September 28 of 2000, for the PlayStation video game console. It was developed by Alfa System and published by Sony Computer Entertainment. Due to its creativity and attention to detail, it won the prestigious Seiun Award in 2001. The manga by Hiroyuki Sanadura was serialized in the magazine Dengeki Daioh. The three volumes published by MediaWorks between 2001 and 2003 were translated by ADV Manga between 2004 and 2005.