TLDR: I don't trust our dear author to let them live Happily Ever After... (T^T)
In a typical romance story, she would end up with Roger "Happy Ever After" with no repercussions. But this author has already shown their love of severe consequences regardless of intention. So I don't see how a happy ending is possible for them without a therapy time skip. (Especially with Roger and the Duke gearing up to stage a coup. Roger has rhe support of the people, but what about the woman who's to blame for the political unrest? And I doubt the nobles will take kindly to her shaking up their status quo.)

If they try to force her to stay in this sh**** world because she got pregnant I swear to gd