In This Life, I Will Save The Duke

The one exception that came to his life that made no exceptions. A ruthless businessman and protector of the continent who won the war against the Demon World. A man who never misses an opportunity that comes his way. Kaius von Elvartan. Salvation that appeared to him after being attacked by an unknown monster for a year. Princess of a crumbling kingdom and possessor of a special ability. Ariel von Letiana. - The princess who proposed a one-year contract marriage had the healing ability that he needed. Kaius gladly accepted the offer. In return, he planned to give her many things. It was clearly a marriage that was only advantageous to him. Until he learned the truth. The Demon Wo...