What's the name of the fairy who cleans in fairy tales?

The fairy who cleans in this kind of story is called snail girl.

Story content: Xie Duan is an industrious farmer, and his life is still poor because he is always too busy to take care of his family affairs. One day, he accidentally picked up a huge snail in the field. He took it home and put it in a water tank. The next day, he found that his home was actually hot, and he ate his favorite meal. At first, he mistakenly thought that his neighbor helped him cook, but later he found that the snail he picked turned into a girl to cook for him. So the fairy who cleans in fairy tales is called snail girl.