A skilled Nanto Seiken master and Kenshirô's ally. His primary motivation is rescuing his kidnapped sister Airi. He travels to Cassandra, challenges Raoh, and dies from a mortal wound inflicted by the warlord.
As fellow Nanto Seiken practitioners, they represent opposing paths of martial honor.
Raoh crushes Rei's resistance, demonstrating his overwhelming martial superiority.
Jagi's kidnapping of Airi directly targets Rei's family and motivates his journey.
Yuria and Rei share a common goal of resisting the warlords and restoring hope.
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