How Can the Lost Ever Regret?

In the fifth year of her relationship with He Shengnian, Zhong Yuxin learned that she was only a substitute. All the affection he'd shown her had been meant for someone else. After learning the truth, Zhong Yuxin decisively booked a fake-death service. She would never accept a relationship that had been a lie from the start. But after she really disappeared, he went mad.