The male leads are trapped in my house

In a world on the brink of total annihilation, one woman holds the secret to survival. Reincarnated as the heiress of a fortune, she raced against time to build the ultimate sanctuary. But the apocalypse arrived sooner than expected, and the world outside has fallen to a monstrous virus. Now, she is trapped in her fortress with the most powerful men of this world—the male leads. They aren’t looking for the way out, and they aren’t looking for the female lead. They are looking at her. Dive into the chaos and survival in Chapter 1!