The Original Wife's Revenge in the Apocalypse

I transmigrated into a post-apocalyptic novel as the powerful boss's discarded wife—destined to be cannon fodder. The system's ultimatum: stop him from falling for the heroine, or face obliteration. But our marriage was never real, just a cold alliance. When the zombies came, he abandoned me without a second glance. Heartbroken, I walked into the horde... until his anguished screams pierced the chaos. Now we meet again, and he's desperate, clutching my wrist with bloodshot eyes: "Come back." I smile, touching my belly. "Too bad the whole base knows about your infertility. And this child? The o…