MTL - A Sorcerer in the Detective World - Chapter 3 Didan High School, Class B, and Xinyi is a classmate.

For the large sum of money to help her husband, she chose to be a surrogate mother covertly. Her sweetheart was out of trouble, but she became the woman of loose morals in his eyes. Misunderstanding, disappointment and sadness forced her to divorce the man she loved from the childhood.

When she was determined to start new life, another man burst into her life. “You are my baby’s mommy and you are my wife!” A big surprise hit her that her baby’s Daddy, the man she surrogated for, fell in love with her at his first sight.

His deep love convinced her to believe the affection of love again. Unexpectedly, her ex-husband returned to beg her recombination. One was her childhood sweetheart, and the other was the man who loved her and gave her hope for a new life……Facing the two men, what is her choice?
 

- Description from Novelupdates

“Girls from the Lin family were so beautiful that they were destined to be concubines of the powerful.”

Recalling the last memories of this body, Lin Haoxue only felt hatred… Even if the He family was the most powerful family of the Wuhuan Empire, so what?

I swear that if I don’t exterminate your He family, I, Lin Haoxue, am even lower than a demon beast! Therefore, the most powerful He family situated in the capital of Wuhuan Empire became the first challenging target of this twelve-year-old good-for-nothing Second Young Lady from an average family of Taixing town.

Even without any profound power running in her veins, the adventure she had in Mount Bilu’s Falling Cloud Stream activated her eight elemental profound veins. Overnight she went from a having a garbage constitution to being a Middle-stage Profound Master realm cultivator, and since that fateful day, Lin Haoxue started down her journey of otherworldly domination!

- Description from Novelupdates

After blacking out at a class reunion, Li Yuan awakens in a brutal world reminiscent of ancient China. Famines rage, human life is cheap, and the specter of war looms at every corner. Worse still, the eerie rumors of monsters lurking deep in the forests and things that go bump in the night prove all too real.Now scraping by as a humble hunter in a remote village, Li Yuan must also watch over a woman entrusted to his care. Although he’s blessed with a mysterious status window, he’s still just a leaf on the wind—easily blown astray by the sweeping storms of change. Join him as he struggles to navigate political upheavals and unforeseen perils, striving to forge his own destiny as history unfolds around him.Official: Li Yuan crosses over into a martial world where demons and ghosts lie dormant, becoming an ordinary hunter struggling to survive. It’s only after he takes a wife that he discovers a status window. As the stars shift and ages pass, though seas dry and lands change, he remains steadfast and unchanging.

Tong, a sinner who was suffering endless torment in hell because of his mistake he had done in his previous life, was giving other chance to redeem himself by the devil.