The Bigshot Shocks The World When She Backs Home - Chapter 913 - Drug Him and Get Pregnant

Gu Changge, a noble lady from a wealthy family, is a well-known business legend in Yuncheng, going into business at 15, taking over as President of Gu Group at 18 and becoming Chairman of the family business at 30.
She is murdered by her husband Shao Tianze, just to give his mistress Gu Changle a healthy heart. But a premeditated car accident makes Gu Changge revive in a new guise and settle into an 18-year-old girl, Song Yunxuan.
The new face, young body and experienced soul become her weapons of revenge. In her struggle with the four big families in Yuncheng, can Gu Changge shrink back? Will she open her broken heart again? Can she always head off dangers in power struggles?
Let’s find out if Gu Changge can revenge herself and create glory again.

- Description from Novelupdates

When Evelyn’s loser fiance steals her company's secrets and elopes with her prostitute mother, she finds herself facing impending bankruptcy. But unexpected help comes in the form of an unusual offer from her business rival and ex-boyfriend, Alexander Langford.“Bear my children, Eve, and I’ll save this precious company of yours.”To everyone else, Alexander is the heir to a billion dollar fortune, and the acting industry’s handsome darling. But to Evelyn, he is nothing more than a cold-hearted, arrogant man she dumped for being a compulsive liar years ago - but unknown to her, he has never lied about his love.How could Alexander miss the golden chance to hit two birds with one stone? He gets his inheritance, and a family with the love of his life. Now, if only dear Evelyn would stop thinking the worst of him…[Strong female lead x doting male lead.][EXCERPT]“You’re out of your mind,” Eve snaps. “You could have any woman in this world, and you want ME to be the mother of your children?!”“Why not? You’re smart, savvy, and fucking hot,” Alex says as he takes a step forward, trapping her body between his muscular arms. His dark blue eyes gaze deep into hers with unbridled lust. “I want our children to have the best from both of us. Our children could take over the world.”“There is no ‘our’,” Eve says coldly, pushing him away. “I will be the surrogate for your children. This is nothing but a business deal. There is NO love in this contract. But in exchange, you need to do something else.”“And what is it?”“Help me take down my ex-fiance. That bastard deserves to die after fucking my mom and ruining my life.”Alex chuckles. “It’s a deal then, sweetheart.”It was nothing but a business deal at first. But what if the line between business, love, and hatred were getting blurry as they got entangled too far and too long?[Power couple, slow burn, getting back together.]

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

The second prince has come of age. To celebrate the advent of such an occasion, the search for a suitable bride began. My younger sister was expected to go to the Royal Palace as a candidate. However, despite this, she eloped the day before her departure. I, the older sister she left behind, looked almost exactly like her – so much that we were often mistaken for twins…

One month, right? For just one month, shall I substitute in for my sister?