In a high-tech, alternate 2052 where the Meiji Restoration failed, the Tokugawa Shogunate still rules Japan with an iron fist. Modernization has arrived, but it has only widened the chasm between the elite shizoku (samurai class) and the oppressed commoners. The e-Bushi—extended samurai equipped with devastating Personal Advanced Combat Systems (PACS) and lethal smart swords—walk the streets with absolute authority, serving as judge, jury, and executioner.

At Prefectural Nishi High School, TAKIZAWA Naoto, a commoner student, endures relentless, humiliating abuse from his aristocratic classmates. But Naoto harbors a deadly secret: by night, he logs into Mononofu, a forbidden, hyper-realistic metaverse game. In this digital underworld, commoners can illegally wield swords, and Naoto has risen to become a legendary, feared weapon hunter. If the Shogunate discovers his digital identity, it means an instant death sentence.

The fragile boundaries of Naoto’s double life shatter when an armed terrorist attacks the campus. The threat is violently neutralized not by local authorities, but by a squad of high school samurai girls utilizing high-speed armored gear. In the aftermath of the bloodbath, Naoto receives a cryptic summons to the rooftop of the abandoned school building. Waiting in the shadows is MORI Takako, an elegant but formidable elite student who holds his life in her hands. She knows his illegal secret—and she has a terrifying demand: “Become my samurai. And die for me.”

With the lethal Kokubu—the national martial arts tournament where student-warriors duel with real blades in front of the Shogun—rapidly approaching, Naoto is dragged into a high-stakes political conspiracy. Forced to train together in secret, the commoner gamer and the noble samurai princess must learn to fuse ancient swordplay with cutting-edge combat AI. But as the boundaries between the virtual metaverse and deadly reality begin to blur, a darker plot emerges. What is the true purpose of the Mononofu simulator? And in an empire built on absolute power, who is the real enemy?

This story is available in Japanese for free, and it will be included in my coming collection, Futures Made in Japan: Sci-Fi Stories on AI, Smart Cities, Ecosystems, and Beyond.