Director Ishii, the world-renowned K-1 founder and master of Seidokaikan karate, finds himself navigating both the karate business and the supernatural! Kei Ichinose lived a humble life with her father at their dojo until one day, he suddenly passed away, saddling her with his accrued debt and pushing her to take her own life. That’s when a mysterious pact with a cat had renowned and infamous K-1 organizer, Kazuyoshi Ishii, inhabit her body. After the end of the girls-only junior competition, the JK-1 Grand Prix, Ishii and his crew find themselves embroiled in an outdoor free-for-all contest that culminates in a final showdown with Anna Yuki, the matriarch of the Yuki Zaibatsu. Can Ishii thwart her rapacious ambition to be the world’s greatest martial artist for all eternity? Or will he and his dojo amount to nothing but stepping stones toward her inexorable reign?