MTL - Naruto Lineage Theory? Trash - Chapter 133

I became a scientist for an evil organization.…But I’m too competent.

Aurora Grey thought she could win her husband, Lucas Rossi's heart, even if it took years.For three long years, she endured his coldness, hoping that one day he would see her as more than just a convenient substitute.But when she reads the headlines announcing Lucas’s return to the city with his ex-girlfriend, Julia Mayhem, the truth hits her like a dagger—she never had a place in his heart.Lucas's affection had always belonged to Julia, and now that she’s back, Aurora knows her time is up.No longer willing to be the woman in the shadows, Aurora takes control of her fate. With a sharp resolve, she demands a divorce, choosing to reclaim her dignity rather than watch the man she loves cherish someone else.But Lucas Rossi isn’t a man who easily lets go of what he considers his. The moment Aurora steps out of his life, he realizes just how deeply she had entwined herself in his heart.Driven by a need to reclaim what he’s lost, Lucas tracks her down, determined to make her see that she belongs with him—and no one else.

It has been adapted into comic：CEO’s Sudden Proposal / Flash Marriage Deep Love

She didn't understand why he took her to get married at first sight. She was just friendly to his daughter at the hospital, but she did not expect that his daughter haunted her to be her mother. It's only the first day of their meeting!

She thought he married her only because of his daughter, but in fact, he was deeply attracted by her kindness and simplicity, and he loved her deeply.

For the rest of her life, Will she love him like he love her?

She, a 21st century mercenary queen, had crossed over into a tragically betrayed body of a waste. Waste? She will show them what it means to be a waste! Betrayed? With the Ancient Manual in her hands, she will astonish all the despicable men and cheap women!

Wait! Didn’t everyone say that she was an evil woman which everyone feared? Why is his Third Highness, full of mystery and charisma, so interested in her?

- Description from Novelupdates