Hyaku Shiki's younger brother. After the death of his father, Zeon Deikun, he was entrusted to the legendary ninja Zaku Unsai, where he trained to become the strongest ninja. When he grew up and joined the Gundam Army, he had a fateful reunion with his older brother, who he had been separated from, during the battle of A Baoa Qu. During this reunion, he convinced his brother that the Dark Army had a dark side, and recruited him into the Gundam Army. From then on, they formed a duo called "Flying Night Red Ghost" and acted together. In addition to a pair of Vajra ninja swords, he has weapons all over his body, including a double-edged sword on his shoulder, a claw on his arm, and a ninja kunai on his forehead. He is skilled in ninjutsu techniques that allow him to disappear, such as hiding techniques. He respects his older brother, and is prepared to sacrifice his own life for him.
Ninjia Hyakkimaru
(Ninja Hyaku Shiki)(JF-100)Hyaku Shiki's younger brother. After the death of his father, Zeon Deikun, he was entrusted to the legendary ninja Zaku Unsai, where he trained to become the strongest ninja. When he grew up and joined the Gundam Army, he had a fateful reunion with his older brother, who he had been separated from, during the battle of A Baoa Qu. During this reunion, he convinced his brother that the Dark Army had a dark side, and recruited him into the Gundam Army. From then on, they formed a duo called "Flying Night Red Ghost" and acted together. In addition to a pair of Vajra ninja swords, he has weapons all over his body, including a double-edged sword on his shoulder, a claw on his arm, and a ninja kunai on his forehead. He is skilled in ninjutsu techniques that allow him to disappear, such as hiding techniques. He respects his older brother, and is prepared to sacrifice his own life for him.