I Started as a Dead Soldier, but I Became a God of Death!

At the beginning of the game, Desperado, bound to the [Enemy Killing Upgrade] system, rescued the eldest princess, and embarked on the road of being a soft-boiled person, never to return. The old Emperor of Dayong is already old and the crown prince has not yet been established. There are intrigues and factions in the court. Outside there are millions of cavalry from the Northern Man Empire watching eagerly, while inside there is the King of Northern Liang holding heavy troops, waiting for the opportunity. Dayong is already in a precarious situation. Originally, Xiao Qian just wanted to lie down and be an idle prince-in-law. However, he must strive to dominate the world. In this world, he is a fool. Take it!