Chapters were serialized in the monthly manga magazine Dengeki Daioh between the July 2004 and May 2007 issues. The thirty-five main chapters plus five "special" chapters and one "bonus track" chapter were collected in five bound volumes by MediaWorks under their Dengeki Comics imprint; each volume contains seven main chapters and at least one bonus chapter. The first volume was published on January 27, 2005 and the last volume on May 26, 2007.