I'm the Villainess, So I'm Taming the Final Boss

When her engagement is unceremoniously annulled, a young noblewoman has an unwelcome realization: her life has somehow become a dating sim, and she's been cast as the villainess! With a grim fate awaiting her at the story's conclusion, she quickly decides to take matters into her own hands. There's only one way to avoid a bad end, and that's to charm the most dangerous character of all. Her plan? Propose to the Demon Lord himself! Navigating the treacherous waters of high society and demonic politics, she'll need every ounce of cunning and charm to win over the formidable — and surprisingly complex — ruler of the underworld. Can she rewrite her destiny and find an unexpected happily ever after, or will her theatrical gambit lead her straight to the bad ending she so desperately hopes to avoid?

✦ AI-drafted summary