Mitsuru Adachi
"H2" is written and illustrated by Mitsuru Adachi. The manga ran in Shogakukan's "Weekly Shōnen Sunday" from July 29, 1992 to November 24, 1999. Shogakukan collected its chapters in thirty-four "tankōbon" volumes, released from December 12, 1992 to March 18, 2000. Shogakukan re-published the series in seventeen "wide-ban" volumes, released from August 6, 2004 to March 2, 2005, and twenty "bunkoban" volumes, released from May 15, 2009 to February 13, 2010.