In the 2040s, the futuristic swordsmanship sport Jindou has become the sport of the people in Japan, and its showcase event — the Daihouen — is the most prestigious stage of all. Suzakuin Nadeshiko is already a rising pro swordswoman while still in school. Takizawa Kazuma is a washed-up swordsman scraping by in underground matches. A fateful meeting changes everything. Their road to the Daihouen begins.