Zombie Doomsday: Bunker Survival

My sister and I were both reborn. She grabbed the farm, thinking she'd won the doomsday. I smiled and took the "empty" mansion. She didn't know: her grain is a magnet for killers. She didn't know: my basement is a high-tech fortress. When the zombies came, she begged at my gate with a mob. I just sipped my coffee and listened to her screams. This time, I'm not the loser.