Classic Series

Kazuki Takahashi

A quiet high school student who finds confidence in games unlocks the ancient Millennium Puzzle, awakening a mysterious spirit with extraordinary powers. Together, they confront bullies, criminals, and other threats through Shadow Games—dangerous contests in which seemingly simple challenges carry astonishing consequences. Blending supernatural adventure, suspense, and inventive game-driven battles, this opening volume introduces a legendary partnership and the high-stakes world that will define their journey.