Mondo is a spy from an ancient warrior clan and an old acquaintance and rival of Fo Fai[1]. He had entered the first Toshinden tournament in order to collect information about the Secret Society for his client[2][3]. Just as his client was about to attack the Secret Society, Mondo had received an invitation to the second tournament. His client tried to hold him back, telling him to discard the invitation, but Mondo ignored the restraint and entered the tournament[3]. At the end of the event, the Secret Society had fallen. He also participated in the third tournament, hosted by the Organization.  Afterwards, Eiji Shinjo became the head of the Gerard Foundation and when he learned about the power of the Four Sacred Arms, he started hunting for Mondo, since he carried one of them. He was also targeted by Genma, who also sought the power of the Four Sacred Arms. It is assumed that before the fourth tournament was held Eiji managed to catch up with Mondo, since Eos, one of Eiji&#039;s fighters, carries his spear.

For one year, Master Swordsman Eiji Shinjo has been haunted by the memory of his battle with the renegade champion, Gaia - a battle that was cut short by the forces of the malevolent syndicate known as "the organization." 
Denied victory, Eiji left the tournament followed by his opponents mocking laughter. Worse still, Eiji walked away no closer to finding his long lost brother, Sho. But now, a mysterious warrior is hunting down the champions of the previous tournament and using their own moves against them - and it looks like that person may be Sho. Who is this powerful new foe and who is his next target? 
Eiji and Kayin, his closest friend and greatest rival, struggle to unravel the mystery before they, too, join the ranks of the defeated. The answer lies at the heart of the Organization and its plans for world domination. At last, the ultimate battle between the greatest fighters in the world will be decided. But if Eiji loses, his friends - Ellis - may Die... 
(Source: AniDB)

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Yukimasa Kishino is a Japanese actor, voice actor and narrator from Edogawa, Tokyo, Japan. He is also active in the theatrical entertainment field and is the chairman of his own theatrical group, Gekidan Kishino Gumi. Some of the members of this group include fellow voice actors Kujira and Masaaki Okura. Among his successful for voicing character in Dynasty Warriors and Warriors Orochi series as Cao Cao.