I Thought It's A Common Possession summary:

I was the villainess who would die at the hands of the male lead, but I know this is a cliché! I thought it was a pretty good deal to die unjustly, as a payment for the price I paid for being the villainess. Until I realized that I couldn’t escape from the original plotline. If I was going to die anyway according to the original, then let’s give a kiss to my handsome husband!… Why did the original plot start to change?