Transmigrated as the Contrasting Substitute Bride, I Bring the Demon Lord Good Fortune

Xiang Nianyao had the misfortune of transmigrating into a book, becoming the female lead's foil. To make matters worse, she was forced to marry the tyrannical Demon Lord as a good-luck bride!

And as if that weren't bad enough, the Demon Lord was a lovesick yandere who adored the female lead. The moment he saw this fake bride, he flew into a rage, flayed her alive, crushed her bones, and tortured her to death.

Right now, Xiang Nianyao was sitting on the Demon Lord's two-hundred-meter-long bed, waiting for him to lift her veil.

Xiang Nianyao, counting down to her death: ...

What Xiang Nianyao didn't know was that the tyrannical Demon Lord had also been reborn, and had even read the book "My Sordid Adventures with the Demon Lord."

The Demon Lord, with a face full of bewildered question marks: ...

Theme: Side characters have feelings too, and villains can love too.