A Substitute Bride in the Marquis's Estate: The Black Lotus Mistress Goes on a Killing Spree

(Fake and True Heiresses + Substitute Marriage + Revenge Power Fantasy, Romance Begins After 100,000 Words, 1v1, Both Leads Are Chaste)

In her previous life, the legitimate elder sister was tormented to death by the marquis's household. Reborn, she revealed her true identity and switched her marriage arrangement with Zhao Yunhe.

Unfortunately, she had no idea that the poor Fan family was the real den of demons!

After marrying into the marquis's household, Yunhe cared less about the heir and more about money, doing business across the Great Zhou Kingdom.

Her foolish sister makes trouble and drugs the heir? No rush. Lock the maid who climbed into bed with him in a room with her husband, then send them off together.

Her vile mother spreads rumors to ruin her reputation? No worries. The ruffians love the smell of an older woman. If one isn't enough, bring in two.

Her scheming aunt poisons her, intending to kill her? No panic. Make her swallow poison, silkworms, talc, and everything else. She can make and sell her own products.

The heir, a whiny crybaby: "Do you think I'm just an object? I'm always drinking and enjoying the company of courtesans at brothels, and you don't even ask me about it?"

Her childhood friend, a young general: "If he can marry you, why can't I?"