This is a tragic young girl named Wang Xiaoyue who does not know that she has traveled to Gintama and does not know the plot. She is trying her best to live in a country where she is unfamiliar and whose language seems to be neon. She only carries a large shopping bag. The initial landing point is Yoshiwara...
Ps: The writing is strong, and the male protagonist is powerful. It is updated daily (crossed out) from time to time. If you accept it, you can read on.