Majo to Ouji no Keiyaku Jouji

"Witch Evalina, be the consort of Prince Demetrio..." Evalina, a rare witch, has succeeded in bringing the murdered prince back to life. However, to make the resurrection perfect, the prince and Evalina need to have sex!? Unable to let the prince she has brought back to life die, Evalina spends the night with him, just for that one night. But the next day, the prince declares that he will take responsibility and marry her! She refuses, but he presses on her with even greater intensity... (Source: AlphaPolis, translated) Note: Includes three extra chapters.