I actually have some of this, despite not being a fan of historical fiction, because the first volume cover was pretty. Almost certain I’ve read some of the manga at one point, before forgetting all about it.
There's a pinned topic concerning how to format suggestions for licensing.
There's another pinned topic listing those titles already suggested, although it tends to be slightly out-of-date; perusing it and scanning the suggestion topics is a good thing to do first.
And consider this: WN titles are long and descriptive so that folks have an idea what the story is about, so they will click on the link. Putting the name of the title you are suggesting in the topic header is a Good Idea.