Rather than a chat with the heroine, it’s more like a historical simulator.
Watch as you simulate how altering a single event in the course of history would reshape the world that follows—changing the outcome of the Battle of Sekigahara, or erasing Jesus’ crucifixion...
You’ll come to realize just how much today’s world is the product of chance.

A subterranean research lab with no windows. It was dominated by the faint hum of countless servers and a soft emerald-green glow. There, humanity’s millennia-long history—its vast archives—was devoured as data, processed, and reconstructed. The result was the “Four-Dimensional Earth Simulator,” which treats even the timeline itself as a variable.

Seated at the center of the console, she gazed at the myriad blue light bars flickering on the monitor, her eyes narrowing in satisfaction. There, the fates of once-destroyed civilizations and the destinies of heroes who were never chosen all existed equally, as “now.” Resting in the palm of her hand was not merely a calculator—it was a miniature garden of infinite possibilities, a realm humanity could never have reached.