Tang Dynasty: Father, You Don't Want to Be Infamous Forever, Do You?

In the seventh year of Zhenguan, a copy of the New Book of Tang fell from the sky. Li Chenggan saw the fate of himself, his mother, his elder sister, Sizi, and others in it. He also saw the bloody 300-year history of the Tang Dynasty. He vowed to change his fate, to make his mother live a long life, to let his elder sister marry the man she loves, and to let Sizi grow up healthily... He soon found that it would be difficult for him to fail, because not only history books fell from the sky, but also food, weapons, soft socks... Later, he discovered that not only things fell from the sky, but also sounds and images... Is that a fairyland? It must be! So, the Crown Prince of the Tang Dynasty, Li Chenggan, sat on the dragon throne,