Yu-Gi-Oh! Zexal Vol. 6

The third main spin-off to the Yu-Gi-Oh! franchise, Kazuki Takahashi's and Naohito Miyoshi's Zexal focuses on the adventures of amateur duellist Yuma Tsukumo who has his eyes firmly set on becoming the Duel Monsters champion. A mysterious spirit by the name of Astral turns up during his match with Shark and helps him to win.
Astral is searching for his memories which have been turned into 100 Xyz Monster cards known as Numbers which have been scattered across the globe. Yuma and Astral set out together to find Astral’s memories, eventually gaining the ability to combine their forces through the power of Zexal!
In Vol. 6, Kaito and Shark face off against Shadow while some surprising revelations occur regarding members of the Numbers Club! It looks like Mr. Heartland may be the only one with answers!
Notice: This manga is written in Japanese.