Reborn as the Sickly Factory Eunuch's Little Bride

She was framed and killed, then selected by the System. Her soul flew across time and space and possessed a pitiful woman with the same name in a parallel world, making her the future head eunuch's wife. The head eunuch had a tragic childhood. His birth parents died in an accident while doing business, and afterward the villagers sent him to the palace to become a little eunuch. Her mission was to rewrite the head eunuch's fate and stop him from turning evil. The head eunuch was so adorable as a child. But as she doted on him, how did he turn into such a scheming little dumpling with a black heart?