Strange Birth: I Am Just a Cleaner

Liao Qingshan woke up and found that he had traveled 30 years later. Turn around and become a glorious cleaner. Not only are there five insurances, one housing fund and free housing, but there are also attractive pensions after retirement. Hey... Hey, no, no, no Why didn't anyone tell me that these were the things to be cleaned? ? No one told me that retirement means withdrawing from the biosphere! ! (The author doesn't know how to write an introduction, bash the ground!)