Jinichi Guntai (軍隊人一 Guntai Jinichi) is a samurai, and former resident of the Land of Iron, who makes a living as a mercenary for hire. While he had been roaming the shinobi countries for several years without a permanent occupation to speak of, he has recently been operating closely with Kimitsu, a missing-nin from Iwagakure. He is also the only known possessor and master of the Crimson Aura, an all but forgotten secret art.