長鴻出版社
is a Japanese manga series written and illustrated by Aya Kanno. It was serialized in Hakusensha's manga magazine , ending in the March 2006 issue on January 26, 2006. The individual chapters were collected into two bound volumes, which were published by Hakusensha on September 16, 2005, and June 19, 2006. "Blank Slate" was licensed in English by Viz Media, who released the manga's two volumes on October 7, 2008, and December 2, 2008, with the e-book versions released on January 29, 2013, and February 12, 2013, respectively. The manga has also been localized in France by Delcourt and in Taiwan by Ever Glory Publishing.