"Kaiser!!", known as "Kaiser Ryo!!" (カイザー (りょう) !!, Kaizā Ryō!!) in the Japanese version, is the sixth volume of the Yu-Gi-Oh! GX manga.

The Japanese version is 204 pages long and costs ¥420 (including tax). Its dimensions are 17.4 x 11.2 x 1.6 cm.[1]

The English version is 200 pages long and costs $9,99 (book) or $4,99 (digital).[2]

Promotional card

The volume includes a promotional card, "Elemental Hero The Shining", which is used by Jaden Yuki in this volume.


Image Number English title Japanese title
YuGiOh!GXChapter039 Chapter 39 Kaiser!! カイザー亮!!
Kaizā Ryō!!
Kaiser Ryo!!
YuGiOh!GXChapter040 Chapter 40 Mac's Story!! マックの過去!!
Makku no Kako!!
Mac's Past!!
Reggie's mysterious past is revealed, along with the reasoning behind her current actions. Jaden Duels her in the hopes of reviving Midori, but appears angry enough that his skills are affected.
YuGiOh!GXChapter041 Chapter 41 The Shadow Game Speeds Up!! 加速する闇の決闘!!
Kasoku Suru Yami no Dyueru!!
The Duel of Darkness Speeds Up!!
Jaden narrowly avoids defeat against in his Shadow Duel against Reggie. He makes a comeback with "Elemental Hero The Shining", but is distraught to learn that that Reggie cannot revive Midori even if she's defeated.
YuGiOh!GXChapter042 Chapter 42 The End of the Battle...?! 決着!! そして…!?
Kecchaku! Soshite...!?
Conclusion! And...!?
Jaden defeats Reggie with "Winged Kuriboh".
YuGiOh!GXChapter043 Chapter 43 A New Enemy...?! 新たな敵…!?
Aratana Teki...!?
A New Enemy...!?
As soon as Jaden manages to defeat Reggie MacKenzie, four more students from the American Duel Academy arrive in the Japanese Duel Academy.
YuGiOh!GXChapter044 Chapter 44 King Rhodie!! キング・フブキ!!
Kingu Fubuki!!
King Fubuki!!
The American students arrive at Duel Academy. One of them, James Crocodile Cook, seeks out and confronts Atticus, challenging him to a Duel. Meanwhile, Jaden finishes building his new Deck.


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