気高き狼は不器用な恋に溺れる (Kedakaki Ookami ha Bukiyou na Koi ni Oboreru)

Plot

Princess Sheera lives a peaceful, loving life in her island nation Enblue, a country isolated, but protected by treacherous waters. Then, one day, during a celebratory party with delegates from neighboring countries, her father, the king, is assassinated. While mass panic arises as people seek to find the killer, General Leonheart of the Ven Empire's royal army takes over... despite allegations of him orchestrating the whole murder. Princess Sheera vows to have her revenge on him... even if it means sacrificing her own body for his pleasure.

A love story intertwined with politics and a "forced" marriage!