Saiyuki (最遊記 Saiyūki) is a manga series by Kazuya Minekura which was serialized in G-Fantasy from 1997 to 2002. It spawned multiple manga sequels, anime adaptations, video games and other media. The story is loosely based on the Chinese novel Journey to the West.
The Saiyuki manga comprises five separate series. The original series comprised nine volumes, and was serialized in the manga magazine Monthly GFantasy from February 18, 1997 to January 18, 2002. The second series began in June 1999, and was called Saiyuki Gaiden. Saiyuki Gaiden comprised four volumes and ran for ten years in the Japanese shōjo manga magazine Zero Sum Ward. This second series takes place in Heaven, 500 years before the first Saiyuki series. The plot is based around the four main characters of Saiyuki in their past lives, and details exactly what it was they did to get thrown out of heaven. In 2002, a third series was made entitled Saiyuki Reload that lasted 10 volumes long. The third series was serialized in the monthly Japanese Jousei manga magazine Monthly Comic Zero Sum and completed its run in 2009 in the August edition. The third series spun out a fourth series called Saiyuki Reload Blast which is currently being serialized in Monthly Comic Zero Sum. The fifth and final series made titled Saiyuki Ibun started in 2009, and is currently running in Zero Sum Ward. The fifth series follows Priest Koumyou Sanzo in his days before inheriting the Sanzo Title.