Alleria Dynasty: Beginning with Naval Battle

He traveled through time and became the prince of a subjugated country, who was besieged at sea, with two hundred thousand people waiting to die. The ministers want to surrender, the barbarians want to destroy the country, and the emperor wants to die. I had to go up myself. Burn enemy ships, recruit minions, build bases, farm and improve technology. Guns, steam engines, ironclads, pushing all the way. The continent was accidentally unified. As for those princesses, queens, and female generals... Don't worry, come one by one. Relaxing and refreshing, no knife or cruelty, safe to eat.