Kenichi: The Mightiest Disciple (Japanese: 史上最強の弟子 ケンイチ, Hepburn: Shijō Saikyō no Deshi: Kenichi) is a Japanese manga by Syun Matsuena serialized in the weekly manga magazine Shōnen Sunday from August 2002 to September 2014. This manga is a remake of Tatakae! Ryōzanpaku Shijō Saikyō no Deshi (戦え!梁山泊 史上最強の弟子, lit. Fight! Ryōzanpaku, History's Strongest Disciple), which was serialized in the monthly manga magazine Shōnen Sunday Super, publishing five tankōbon between 2000 and 2002. The first tankōbon was published on August 9, 2002. An anime adaptation by Tokyo Movie Shinsha aired 50 episodes from October 2006 to September 2007. Brain's Base produced OVAs for the series, which continue from the Ragnarok Arc. The first OVA was released on March 14, 2012, the second OVA was released on June 18, 2012, and a third OVA was released on November 16, 2012. The fourth and fifth OVA were released as a double feature on September 16, 2013. The sixth and seventh OVA were released on November 18, 2013. The eighth and ninth OVA were released on February 14, 2014. The tenth and eleventh OVA were released on May 16, 2014.
 is a Japanese manga by Syun Matsuena serialized in the weekly manga magazine Shōnen Sunday from August 2002 to September 2014.
This manga is a remake of Tatakae! Ryōzanpaku Shijō Saikyō no Deshi (戦え!梁山泊 史上最強の弟子, lit. Fight! Ryōzanpaku, History's Strongest Disciple), which was serialized in the monthly manga magazine Shōnen Sunday Super, publishing five tankōbon between 2000 and 2002.
The first tankōbon was published on August 9, 2002. An anime adaptation by Tokyo Movie Shinsha aired 50 episodes from October 2006 to September 2007. Brain's Base produced OVAs for the series, which continue from the Ragnarok Arc. The first OVA was released on March 14, 2012, the second OVA was released on June 18, 2012, and a third OVA was released on November 16, 2012. The fourth and fifth OVA were released as a double feature on September 16, 2013. The sixth and seventh OVA were released on November 18, 2013. The eighth and ninth OVA were released on February 14, 2014. The tenth and eleventh OVA were released on May 16, 2014.
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