Transmigrating to the End of the Ming Dynasty, I Help the Ancestor Conquer the World

[Transmigration + no harem + technology + expanding territory + ushering in the Ming Dynasty's Age of Exploration]

What?

That boy is my ancestor?

Oh!

So I arrived too early in the timeline!

No matter. Let's see how I can use modern knowledge to reform the military, develop the economy, deal with natural disasters, and draw on my knowledge of future history to maneuver through diplomacy, helping my ancestor conquer the world and rewrite history.

Time travel, alternate history, industrial development, unification...

The story begins in 2130, in the 22nd century, and transmigrates to 1630, the late Ming Dynasty in the 16th century.

Yang Muyi unexpectedly discovered that the compass left behind by an elder in his family was actually a time-travel device. What's more, in another world, he found his own ancestor...