After Transmigrating into a Marriage-for-Blessings Novel, I Gave Up

[Completed] Legend has it that Lu Yan'an, the eldest legitimate son of the Duke of Rong's household, has the face of Guanyin and a gentle disposition. He wouldn't even step on an ant, earning him the title of the greatest saintly soul alive. Yet this otherworldly young master accidentally fell from his horse and hasn't woken up since. People say he'll soon become a vegetable. In hopes of waking her son as soon as possible, the Duchess of Rong prayed to the gods and Buddha, and even sought out an old charlatan. The charlatan made a calculation and declared that only a woman born in the yin hour, on a yin day, in a yin month, of a yin year could bring the young master good fortune and break this deathly impasse. Desperate enough to try anything, the Duchess of Rong carefully chose a maid from the household to marry him. The girl was chaste, honest, exceptionally pretty, and, most importantly, born in the yin hour, on a yin day, and under a yin sky. The honest girl chosen for the task was Su Manman. When the Duchess of Rong heard that Su Manman had been seeing some poor scholar, she immediately prepared to break up the couple. But then... In the main room, a beautiful woman knelt on the floor. Though lovely, she looked dazed, radiating the honest air of someone who was utterly at another's mercy. She raised her head slightly, revealing a face so ethereal she seemed like a fairy who had descended to earth. Then, facing the Duchess of Rong's kindly expression, she parted her red lips and said excitedly,