Upon entering high school, first-year student Shiki Koshiyama finds himself invited to a mysterious Quiz Study Group by an upperclassman. His quiet life is upended when his enthusiastic classmate, Mari, drags him into the dazzling and intense world of competitive quiz bowls.
The competitions follow the "Golden Rule" known as 7O3X: a player wins by securing seven correct answers but faces immediate disqualification upon giving three wrong ones. As Shiki navigates this high-stakes arena, he must learn to think quickly under pressure, collaborate with his teammates, and discover what it truly means to compete.
