The Seventh Most Poisonous Prince Marries the Killer Goddess at the Beginning

[No system + cool writing + rise of useless materials + conspiracy + scheming + evil + palace fighting + struggle for hegemony] As soon as he traveled through time and became the seventh prince of Da Yan, he entered a certain death situation. All the royal brothers want to kill me, and all the royal sisters-in-law look down on me. Even the wife proposed by the emperor's father is not willing to marry me. The good-for-nothing prince changed his fate against the will of heaven and held military power in his hands, looking down upon the world. A woman can only grace the world by sitting on the right sedan chair!