Ask for the name of an ancient time-travel novel

The female protagonist traveled back to ancient times and woke up as the mother of a child. Then, the two of them lived by the sea. The female protagonist later sold dried fish for money.
And then be taken in as a servant by a rich family
She was also responsible for serving a man with a crippled leg
Later, she needed to leave that rich family. Then, the man with the disabled leg gave her something similar to a modern gold card that could be used to get money everywhere.
I don't remember anything else. The first time I saw it was in the literature section of msn.

Answer 1

The name of this ancient time-travel novel was " Carefree Travel in Time Travel ".