The Fists of Betrayal! Takeda's Sorrowful Past! (裏切りの拳 武田の悲しき過去,Uragiri no kobushi Takeda no kanashiki kako?) is the 11th episode of the History Strongest Disciple Kenichi series. It first aired on December 16, 2006.
Takeda reveals why he left pro boxing and why he despises people like Kenichi. After the bell rings again, the fight continues. The roof fence break and Kenichi saves Takeda from falling. Ukita regains consciousness and drags both of them back up. Miu notices from her class window and sees Takeda dangling from the roof, so she rushes out of class. But when she arrives, she sees Kenichi knocked out, in a fit of rage she beats up both Ukita and Takeda. Kenichi brings both of the injured Ragnarök members to the dojo. Akisame treats everyone's bad injuries, including Takeda's paralyzed left arm, the injury that stopped his pro boxing career.
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