MTL - The Counterattack System is Only Available In the Mahayana Period - Chapter 744v2 I can

Zavier met Cosmic Consciousness after his death. He was satisfied with every system that Cosmic Consciousness exhibited, so he wanted all of them. Surprisingly, the Cosmic Consciousness obliged him.

Zavier was reborn in an isekai full of magic and alchemy. Now, he had many routes to upgrade. Interestingly, to coordinate these systems, Cosmic Consciousness gave him the gift of being able to duplicate himself. He could clone a finite number of himself to manipulate these systems.

Magus, Alchemist, Mesmer, Tamer, Hunter, Vampire, Werewolf, Dragonknight, Necromancer.....

-----

By the way, it wouldn't appear NTR or some bullshit harem of courtships. MC of course will have harem but not for cliches.

Born as twins, but Mu Qiqi was left suffering every torment and became the greatest scapegoat in history only because she was not a better actress than her sister!

Six strangers met in a mysterious enclosed space.

One of them claimed to be a “senior” and stated that among the six of them, there was a “Devil” who did not bat an eye at killing. The biggest problem they now faced was how to avoid the “Devil” and escape from this world.

Mu Qin: I once had someone I really liked. He was very good to me, and always likes to dance in front of me with a knife. But one day, he went crazy.

- Description from Novelupdates

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