Peanut Millet Porridge's First Book

I, Cao Man, transmigrated to the Three Kingdoms period by accident when I was a child, and unexpectedly took over Cao Cao's body. During my time in the Three Kingdoms, I became friends with Yuan Shao, Liu Bei, Sun Jian, and others. But gradually, I realized they had all changed since Dong Zhuo's rebellion. At first, I thought ambition had blinded them, but then I discovered that someone had been pulling the strings all along...