Mitamura was a respected martial arts master who spent years developing young fighters through rigorous training. His life took a dark turn when Dr. Ichigaki poisoned him, exploiting the desperation of his devoted students. Ichigaki manipulated three of them—En, Ryo, and Kai—into becoming his personal assassins in exchange for a cure.
The situation unraveled when Kurama learned of the scheme through one of Ichigaki's underlings and managed to heal Mitamura himself. The three corrupted students feared they'd committed unforgivable acts, but Genkai intervened with an important reminder: she'd given them a genuine choice between purification and remaining as they were. Once Mitamura recovered, he forgave them without hesitation, understanding they'd acted under duress rather than malice.
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