Global Games: Start with 10 Billion Psionic Coins

Novel Summary
Alien civilization invaded, global psionics recovered, and a game against alien civilization was born…
What? All transactions in the game can only use psionic coins?
Can’t you quickly increase your strength without burning a lot of money?
Su Yu smiled while standing beside the world’s largest psionic spring.
I have tens of billions of psionic coins! Are you scared?
…
Ps: There are already 1.6 million words of the old book, and the credibility is guaranteed.
– Description from readMTL