Two Realms: My Time Travel Is Refreshed Every Week

I wanted to be a salty fish, but found that I could earn 1 billion by returning to modern times with a barely good elixir; When you can earn dozens of mid-grade spiritual stones by taking a drone worth several thousand dollars to a fantasy world, He realized he was going to get rich! On one side is a fantasy world, where cultivation resources are constantly being created, and cultivation levels are rising... On one side is modern society, where everyone admires the miracle doctor for saving the world, and lives a wealthy life where he spends money like water... Until that day, he discovered that when people from the fantasy world appeared one by one in modern society, terrible things happened...