December 31, 2020.
The New Year's Eve celebration is in full swing.
The sky suddenly fills with lightning, and the booming thunder hits like a heavy hammer, shattering the festive atmosphere, prompting people to exclaim collectively.
"Thunder in winter?"
"Is it the end of the world?"
"Red lightning, is someone undergoing a tribulation?"
"Capture it, it's bound to be on the hot search tomorrow."
When people unlocked their phone screens, everyone was bewildered to find a mysterious game app had appeared on their home screens.