Claim: Hanamaru Kindergarten released twelve volumes over five years.
Evidence: No. April 25, 2007 September 25, 2007 February 25, 2008 August 25, 2008 February 25, 2009 August 25, 2009 December 25, 2009 February 25, 2010 June 25, 2010 December 25, 2010 July 25, 2011 December 24, 2011