The apocalypse of the book: So what if I'm just a cannon fodder? I can still have fun

[Zombies + Apocalypse + Two Strong Men + Double Ties + A Refreshing Story] Upon waking, Su Mianmian discovered she'd been transported into a book. Not only had she traveled to the apocalypse, but she'd also been transported into the body of a clueless, cannon fodder... Her original self had a wealthy husband, but, unaware of her wicked best friend's subtle intentions, she fell for her sweet talk and ended up divorced. When the apocalypse arrived, her ex-husband, despite all odds, came to her former self's side, hoping to take her away, but she still insisted on staying with her vicious best friend. The outcome is predictable... Su Mianmian remarked that while her original self might have been foolish, wasn't that vicious best friend just as hateful? She felt that without her original self, the boss would fall in love with her...