In ancient times, I just wanted to be a salted fish

[Travel through time + space + business + farming + abuse of scum + tool man male protagonist] The old lady's dream came true, but she did not return to her childhood, but traveled through time to ancient times and became a little girl who was abducted and sold to a brothel. How can she start her bright life in ancient times? Don't worry, the store space is here. She can live a carefree and comfortable life in ancient times and make a good living. She wants to lie down and be a salted fish, but her strength does not allow it! Why is that little bodyguard here again, and she can't get rid of him? Did you say you would be a single dog? Why did you regret it? ...