C378 A Strange Smell

However, the smell was much weaker when the door was closed. The janitor checked all the sewers and there was no smell.

It seemed that the smell was not coming from the bathroom.

He whispered to the janitor, "Did you not clean the floor?"

The janitor shook her head, "I cleaned the floor. I cleaned it very carefully."

The two of them started to look for the source of the smell in the room