Kankei Kaizen wo Akiramete Kyori wo Oitara, Shiotaioudatta Konyakusha ga Karande Kuru you ni Narimashita

"I was forced to take Beatrice as my fiancée. I was reluctant from the beginning." Beatrice, the hated duke's daughter, knew that her fiancé, Prince Ernest, was saying that. She decides to keep her distance from the prince. "Come to think of it, until now I've been so obsessed with Ernest that I haven't interacted much with other people. What a shame." For some reason, Ernest, who has been avoiding her until now, is now actively getting involved with her, but she simply wants to enjoy her academy life with her good-looking Margrave son and her good-natured friends. It's coming–?! ___ (https://ncode.syosetu.com/n1691gn/)