C1882 A dirty way of escape

Ding ding dang dang …

The old man hammered at the clogged sewer pipe with his hammer. It was loud, but very weak. In addition to creating the illusion that it was dealing with the problem, it also created the sound to serve as a cover for Xia Lei and Yue Nu.

Under Yue Nu's lead, Xia Lei followed it as she walked along a row of sewage pipes.

Yue Nu stopped at a certain spot