Survival in a Different World - the End of the Thunder Emperor

I come from the earth, and I am just an ordinary programmer in a telecommunications company. I live the same hard life day after day, until one day, I get an electric shock! Then, then I traveled through time? Traveled to another world? Is there a system? Afraid it's not the game world? But very real! I, the Thunder Emperor, my day to save the world has begun!