Takehiko Inoue
Written and illustrated by Takehiko Inoue, the series was originally published in Shueisha's "Weekly Shōnen Jump" from October 1, 1990 to June 17, 1996. The 276 individual chapters were originally collected in 31 "tankōbon" volumes under Shueisha's Jump Comics imprint, with the first being published on February 8, 1991 and the final volume on October 3, 1996. It was later reassembled into 24 "kanzenban" volumes under the Jump Comics Deluxe imprint from March 19, 2001 to February 2, 2002. A 20 volume "shinsōban" edition was published between June 1, 2018 and September 1, 2018.