Dressed as the Cannon Fodder Ex-Wife of a Crazy Second-Rate Male Lead

After Meng Huaixin died suddenly, she turned out to be the cannon-fodder ex-wife of the second male lead in the novel with the same name and surname. She was a cold-blooded and murderous madman. Moreover, the original owner did everything in his power and eventually died tragically! After some hard work, he finally got rid of the fate of cannon fodder. She actually wore it again? Have I ever loved you? I don't remember...