Suddenly, a light flashed, and a rat came out of nowhere. It jumped high and bit Xiao Yu's throat.
Xiao Yu's sword flashed, and the mouse's body broke into two halves. However, another rat also bit him.
He didn't know what to do. These mice, who didn't dare to appear during the day, rushed over one after another. They tried their best to kill Xiao Yu.
Xiao Yu had to step back.
Even though these mice weren't that powerful, their numbers were huge. They rushed over one after another, making Xiao Yu feel extremely uncomfortable.
There were quite a few corpses of mice that piled up quickly on the ground. However, in the next moment, all of the mice that didn't die suddenly withdrew into the shadows of the buildings.
If it weren't for the many corpses of the mice on the ground, Xiao Yu wo
