I Became the Youngest Sister-in-law of the Ruined Reverse Harem's Male Leads

One feverish night, 6-year-old Liliana Bercchio suddenly recalls the plot of a tragic reverse harem novel. Unsure if she's been reincarnated or has time traveled, her young mind struggles to make sense of it all. Her family is doomed to get caught up in the protagonists' mess—but there's still time… or so she thought. When she witnesses the female lead's death and the deranged male leads appear before her sisters, the story takes a turn. They seem different now, but is her family truly safe?