"Ding! The host has traveled to the post-apocalyptic world and the system has been activated. The sign-in task begins. Successful sign-in will result in rewards."
The system's voice sounded in Lin Chen's mind. He couldn't wait to open the sign-in interface in front of him and found that he was standing at a "check-in point", and the daily sign-in rewards were displayed on the interface.
"Sign-in reward? Then I'll sign in and see..."
