The series was released in a three volume omnibus in Japan by Gangan Comics, and later translated into a two volume omnibus by Yen Press. These, and the TokyopopKingdom Hearts editions, are the only in the series that were printed to read left-to-right like a traditional English comic.
The series was released in two volumes in Japan by Gangan Comics and later translated into English by Tokyopop prior to losing the rights to the series. Yen Press later gained the rights to the manga and re-released both volumes as a single omnibus.
The series was released as ten volumes in Japan by Gangan Comics. The first two volumes were originally translated into English by Tokyopop before they lost rights to it. The volumes were then re-released and the series completed as a four volume omnibus by Yen Press.
The series was translated into 4 volumes by Tokyopop. Although the series translation was completed, the production of the manga was cancelled due to Tokyopop losing the rights to it. Yen Press later gained the rights to the series, but did not re-publish the original manga. Yen Press instead released the translation of Kingdom Hearts Final Mix editions that include all chapters from the original manga.
Kingdom Hearts: Chain of Memories Tokyopop Edition
The series was released into 2 volumes by Tokyopop. It was later discontinued due to Tokyopop losing rights. Yen Press later gained the rights to the manga and re-released both volumes as a single omnibus.
After the release of 2 volumes, Tokyopop lost the rights to the series and Kingdom Hearts II was never completed by them. Yen Press later gained the rights to the manga, re-released these 2 volumes and completed the series.
In the Kingdom Hearts CoM manga, in the bottom of the screens that Marluxia is using to monitor Sora is written Nomura, obviously referring to last name of the director of Kingdom Hearts, Tetsuya Nomura.
The CoM manga also features Nomura Fried Chicken.
In the 358/2 Days manga, Hayner, Pence, and Olette are seen at an ice cream stand called Nomura Dairy.
Curse words are much more prevalent in the manga series than they are in the games. Characters that curse in the manga include Axel, Captain Hook, Hades and Sora.