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. Now the JK-1 Grand Prix is underway, mixing karateka, wrestlers, former idols, and Youtubers alike in a tournament to crown the ultimate schoolgirl fighter! Will Ishii lead the controversial and hot-button event to success?!