Taming A Priest: My bodyguard is a sly Demon

[Warning: Mature Content] What will arise when a young lady discovers that the soul inside her belongs to a female tens of centuries ago? ______ Alexandra Bernard had been facing obstacles since little, but that all seemed to intensify when she left her home in midst of chaos to another town for protection. The guard assigned to her? Worst than the devil. He's a priest in training but looks like the devil himself. Or maybe he was. What will she do when everything that happened centuries ago begins to fall back into place? And how will she save the earth from different creatures after she unknowingly unlocked them with an aim of ending humanity. A naive brown-eyed girl swiveled into a red-eyes villain with a circle (system)