Huahai has a permanent population of at least 4 million.

It's almost January since the end of the day. Song Yan believes that there will be no more than 100,000 survivors in a Huahai city in Norda.

It's about twenty kilometers from the eastern suburbs to the urban areas.

For Song Yan, who flies with the imperial sword, it takes only one minute to get there.

High-rise buildings and abandoned cars can be seen everywhere on the crisscrossing roads.

Song Yan wanted to explore the whole city with the imperial sword in the sky, but unexpectedly, he met a group of mutant sparrows.

"Chirp!"

These sparrows are so numerous that...