Just write whatever you want, a story about Su.
Although strictly speaking, it seems that all the original female protagonists in the fanfic are Su... But even by the lowest standards... It's still Su... And there is no Gintama style ORZ
Sure enough, just think of it as self-entertainment... No, if you say it is for self-entertainment, it seems like you shouldn't take it out = =
Well, it's considered writing practice.
As for the protagonist, she is a woman, a Su, a Su who has been worn two or three times.
Sui Daliu felt that the time in the private school was very loving, the fight against the foreigners was very passionate, and the daily chapters were very... Daily.
It's probably a no-brainer, so hardcore Gintama fans might as well not read it. It's not easy to write a touching story full of love and hope in a full-length complaint.
So be it.