The Male Leads Are Trapped in My House

I reincarnated into a novel as the heiress of a wealthy tycoon—only to discover one fatal flaw in my new life: this world was fated to collapse under a monster virus. Money was the only asset I had, so I rushed to purchase a mansion in the countryside and began building a shelter to escape the coming monsters... but the apocalypse struck far sooner than I had ever anticipated. Damn it all! To make matters worse, the male leads somehow ended up trapped inside my house with me. Yet none of them seemed remotely inclined to leave and search for the female lead. Why did not a single one of them show any intention of going after her? "Who the hell are you?" "You act like you knew the apocalypse was coming." They peppered me with questions I had no way of answering—and even if I did answer, they would never believe me anyway. For the time being, they were nothing more than convenient sources of labor. "Alright, time to get to work. If a man will not work, he shall not eat!" If I could just uncover the cure for the virus behind this catastrophe, this nightmare would finally come to an end. Until then, my plan was simple: run the male leads ragged and hold out! But then a new complication arose—the old mansion I had purchased was concealing something deeply suspicious. What on earth is going on inside my house?!