anyone have a bl that got system + historical like "to deny this route";and "i can see ur ...

https://www.mangago.zone/read-manga/how_to_survive_as_a_player/

im reading this, do u have something else?

Only other one I can think of is
https://www.mangago.zone/read-manga/how_to_raise_a_victim/

The system is really interesting but more 90s than historical. https://www.mangago.zone/read-manga/dreadful_night/

Didn't read these but has what you're looking for

https://www.mangago.zone/read-manga/mad_for_love/
https://www.mangago.zone/read-manga/scumbag_system/