
Cana's problem: wants a divorce from the first Prince Ceaser and wants to live a normal peaceful life, but Ceaser doesn't want one. Cana is trying to fix the problem of Ceaser not wanting to have a divorce so the "story" will have a happy ending, but Gracie is not willing to take the seat as empress.
Gracie's problem: Cana wants a divorce, Gracie is trying to encourage her to stay as next empress, so Gracie doesn't have to marry Ceaser, so she can become duke of her household instead of Raymond being it.
Haruhi and Senri oooooof
Interested in them quite a lot now I want a manga with them hopefully she makes a sequel about Haruhi and Senri