The system is broken. He's the only one who can rewrite the source code.Adrion was a senior software developer in Seattle, overworked and running on caffeine. When a fatal heart attack ends his life, he doesn't find a heaven-he finds a System Error.Reincarnated into the body of Nia von Eisenwald, the ten-year-old daughter of a struggling frontier Baron, Adrion discovers a startling truth: in this world, magic isn't mystical. It's a programming language. And the world's "source code" is riddled with legacy bugs, unoptimized scripts, and malicious malware.This box set includes the first three volumes of the Code and Crown series: Volume 1: The Awakening - Nia must learn to "debug" her new reality and use her technical knowledge to save her family from a predatory neighbor.Volume 2: The Young Baroness - With the estate on the brink of bankruptcy, Nia implements "Localhost" strategies, dwarven engineering, and economic optimization to build a stronghold that defies the Empire.Volume 3: The Capital - Nia enters the heart of the Empire, only to find a necrotic "rootkit" eating the Emperor alive. Facing a Prince who is more hacker than hero, she must prepare a Logic Bomb that could save the world-or crash it forever.If you like smart protagonists, logical magic systems, and epic kingdom-building, you'll love this "Magic as Programming" Isekai trilogy.Scroll up and click "Buy Now" to start the ultimate system update.