C586 To the second earth

Arriving at Xu Feng's room, Yi Yunxi nestled into his embrace and said calmly: "Big Brother, I'm human, but I'm also an alien. I am a descendant of humanity 1.2 billion years ago. "

"1.2 billion?" Xu Feng frowned, "At that time, there were no humans, and Earth …"

"Hehe, that is just the point of view of some scientists. They haven't experienced that era personally