This Concubine Comes from the Realm of Shura

She was originally a professional killer in the modern world of Shura. She could make the sky with one hand and rain with her hands. She was bloodthirsty and never compromised. However, due to an accident, he traveled to another world and entered an imaginary country. How should she go about this life? Should I be a couple with him for the rest of my life, or should I finish my career alone? He has all the power in the country, but he is a lone star. Even though he has a charming appearance and a wealth that rivals other countries, no one dares to approach him, just because the flower mark of the other shore blooms seductively on his forehead, accompanied by a fatal temptation...