Kyō Kara Ore Wa!! is written and illustrated by Hiroyuki Nishimori. It was first serialized in the magazine Shōnen Sunday Zōkan, running monthly from September 10, 1988 to August 10, 1990.[4][5][6] It was transferred to the magazine Weekly Shōnen Sunday, where it ran from September 19, 1990 to November 5, 1997.[7][8][9] Shogakukan collected its chapters in thirty-eight tankōbon volumes, released from December 14, 1989 to March 18, 1998.[10][11] Shogakukan re-published the series in a 19-volume wide-ban edition released from August 9, 2000 to August 8, 2003,[12][13] and a 18-volume bunkoban edition released from April 15, 2011 to August 10, 2012.[14][15]