The series was originally published in Shueisha's Weekly Shōnen Jump since the issue 40 from 1990 until the issue 27 from 1996. The 276 individual chapters were originally collected in 31 tankōbon editions under Shueisha's Jump Comics imprint, with the first volume being published on February 8, 1991 and volume 31 on October 3, 1996. It was later reassembled in 24 kanzenban volumes under Shogakukan's Big Comics Selection imprint from March 19, 2001 to February 2, 2002.