I Have a System in the Doomsday, the Great Dragon God

Isn't this the end of the world? May I ask who I am and where I am? What are you running for, classmates? One guy panted and replied, "Brother, run, run! The aliens are arresting people, run!" Watt! Alien? I looked up and saw the dark sky. There were many people wearing space suits or armors arresting people on the street. What was going on? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.