One day, a bimbo bites a person, turning them into a bimbo as well, like zombies, it's like the start of a bimbo-zombie apocalypse. If you get bit, you get turned into a bimbo girl but you keep your mind, you just gain the urges to reproduce, either by giving birth or biting an uninfected person

You and a few others are some of the only survivors, it's been three months since the apocalypse began