I Became the Wife of the Male Lead

I ended up possessing the body of Fiona, the final villain who meets a miserable death at the hands of the male lead who saves the world, and is tormented in spirit even after death.

On top of that, her family treats her as a worthless illegitimate child, and from the age of thirteen—six years before the original story begins—she is sent to the battlefield!

Fortunately, this is the body of the strongest villain in the story, so she is an incredible magical genius... but she still has to survive a battlefield teeming with monsters. And then—

While rolling around in the middle of the war zone, she runs into the male lead from his childhood, on the verge of death.

...Why is he here?

Anyway, if the male lead dies now, the world will be destroyed, so for now I should save him.

Winterleaf's long romance fantasy novel, "I Became the Wife of My Male Lead"