A Grenade Blasted Li Er at the Beginning, and He Actually Asked Me to Be the National Advisor.

Living alone in a deserted village in the mountains, Li Meng was transported by the system, traveled through Zhenguan, met Li Er, and awakened the [Civilization Leap] system. From the agricultural revolution with an output of three stones per mu to the rise of industry with the roar of machines, he single-handedly created the Tang Dynasty of science and technology. A counterattack? Clan rebellion? Surrounded by foreign enemies? Crush them all! Li Er? He is nothing more than an executor!