C2470 There's a Way to Get Back

"The twelve leaders of humanity had put all they had into a medium made of this material and promised not to use it again. So you got that one, and it contained all the technological power of this civilization." Karina said.

"So that's how it is." Yang Tao nodded, "But I still have one question. Since you can send me here, can I go back?"

"Of course, if you want to go back