C609 Xi Bi Yao's Plan

With regards to the life and death of these two people, who cared nothing at all for them, in the eyes of the two, they were no different than farts!

Xi Biyao had studied the history of the human world for a long time. Although it would be a pity if the human world were to be destroyed by the Alien Clan …

However, from the perspective of evolution in the human world