Daikirai na Mamade Ii desu node, Watashi to Kodomo wo Tsukutte Moraemasen ka?

Overview

If I don't have a child with that guy I hate, this country will be destroyed!? Lucienne Diaz, the daughter of a marquis, and Jade Basler, the son of a high-spec duke, are always fighting whenever they meet. One day, Lucienne has a precognitive dream that she will have a child with Jade. In the dream, her son becomes the savior who protects the country from an imperial invasion, and in order to give birth to him, she decides to have a child with Jade!? When she asks Jade if she wants to have a child with him, he pushes her down and says, "Be prepared!"?! A slightly erotic, difficult, and heart-pounding love story between a bickering couple from another world! (Source: Kodansha, translated)

Source: AniList