I Discovered My Fiancé's Secret Three Days Before the Engagement

Three days before my engagement, I was trying on wedding dresses when a mechanical voice suddenly sounded in my ear. [System announcement: The Host is about to suffer a major betrayal. We recommend checking your fiancé's phone immediately.] I froze, thinking the dressing room speakers had malfunctioned. [Warning: At the engagement banquet three days from now, your fiancé, Jiang Cheng, will publicly announce his relationship with his assistant, Bai Mengyao. The Host will become the laughingstock of the entire city.] What the heck? I looked around. I was the only person in the dressing room. [Additional information: Jiang Cheng and Bai Mengyao have been living together for six months, and Bai Mengyao is two months pregnant. Jiang Cheng's parents arranged the engagement banquet in order to