The Three Kingdoms Begins from the Back House of Guan Mansion

When should we start to prevent Jihan's collapse? Returning to Jiangling City in the Three Kingdoms era, I wanted to stop Bai Yi from crossing the river, but I didn't expect that Jingzhou was falling when I crossed the river, and I was thought to be a Soochow spy by Guan Yu's daughter! See how modern man Zhang Yi pretends to be a descendant of Zhang Liang, rescues Guan Yu, and revitalizes the Han Dynasty!