Toaru Majutsu no Index - Volume 19, Chapter 1: Goodwill shall be trusted for now. Dark_Hero.

This is the story of a boy who lived a secluded life in the mountains, tending his farm, rearing his fish, and dreaming his dreams. Eh? Did I suddenly conquer all worlds and become the big boss? Or am I still in a dream?

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Five years ago, she was the biggest joke in Haishi! Seven months into her pregnancy, she discovered that the man from their passionate night was not her husband-to-be.The man she deeply loved was already having an affair with her sister...Five years later, she returned for revenge with her adorable genius child.To her surprise, the father of the child turned out to be the most powerful man!From then on, she became the most envied woman in the world!Tycoon Qi declared arrogantly: “You hired me for a hundred thousand, now I'm yours for life!”Princess Tian Tian clung to her leg: “Mommy, you've avoided me for five years, but you're finally back to take responsibility!”Prince Momo showers his mom with affection: “Mommy, here's my bank card, spend it as you like”Genius Yuan Bao complained pitifully: “Beauty Ling, you're not favoring only me anymore!”

She was originally an assassin. After rebirth, she was reduced to another world’s Di family’s most inferior concubine-born daughter. With an extremely hideous appearance and no way to cultivate, she was the object of everyone’s humiliation and bullying.

Having being plagued by same dream for the past six years, Chu Yanshen discovered a little boy who looked just like him out of the blue. It was only then did he, Chu Yanshen, learn that he had been deceived by the little lass six years ago…

- Description from Novelupdates