The Three Kingdoms: A vicious plan was offered, and Liu Bei was stunned!

Luo Yuan traveled to the Three Kingdoms period and became a little book boy beside Zhuge Liang.
But I never thought that the most powerful poison system would be awakened.
The first suggestion is a vicious one?
Liu Bei was a little confused.
And one day...
Luo Yuan: "I have a plan that will allow you to unify the country in the shortest possible time?"
Liu Bei: "Just tell me how many people will be left after the unification."
Luo Yuan: "You and me, two!!"