Jiang Du Chun

Why did the foolish princess commit murder in her bridal chamber? The destiny of a genius lunatic hangs by a thread. Princess Xiao Jiang, once abandoned by her own family, marries into a bitter cold land. Despite being a castaway, she establishes dominance in the new territory. In return for your kindness, I will help ensure the peace and prosperity of your nation. Taming the god of war on the battlefield, she holds the authority of the land. Now, in this world, you and I together rule the world.

Original Webtoon:
AC.QQ, BiliBili, KuaiKan