The Festival of Summons from Another World Rules the World

Once he traveled through time, he became an unpopular prince. The war in Kyushu continues, and the empire will collapse. The dream of lying down and becoming a wealthy and happy prince was ruined by a mutiny. He looked at the soldier kneeling in front of him with his army, shouting loudly, "Please, Your Majesty, please take charge of the two armies!" Jiang Yin had no choice but to accept it, but fortunately, in the desperate situation, the system came. Let's see how a down-and-out prince uses the summoning system to achieve his grand ambition of unifying the world in this other world.