The main event of the Oni-Kojūrō Festival, 'Katakura Army VS Sanada Army Decisive Battle: Osaka Summer Campaign - Battle of Dōmyōji', reenacts the exploits of the second lord of Shiroishi Castle, Katakura Kojūrō Shigenaga, during the Osaka Summer Campaign, with battle scenes performed by extras recruited from the public. Be sure to witness the heroic battle scenes between the warriors of the Katakura and Sanada armies and the touching secret story of Shigenaga and Sanada Yukimura.