[Slow pace] [Build an empire alongside the protagonist]

Traveling back to 1887, one becomes Crown Prince Wilhelm II of the German Empire. At this time, Wilhelm I is old and frail, the 100-day emperor hangs by a thread, and the Bismarckian system is on the verge of collapse. Facing the impending trap of world war, a new soul takes over the steering wheel of the empire.

In 1914, the United States had transitioned from the Gilded Age to the Progressive Age, enjoying 40 years of peace and a comfortable environment, and was the world's most powerful nation.

As world war looms, the curtain slowly rises on a golden age of emerging aviation industry, and a time traveler arrives.

What mark can it leave in this turbulent era?