MTL - Peerless Ruthless Man, Cut Down the World - Chapter 22 kill everything

MC (female protagonist) dies in a plane crash and wakes up in the body of a beautiful but corrupt and lascivious prime minister in ancient times, Zhang Qinglian. As circumstances decree, he (she) cannot reveal that the original owner’s soul is gone else calamity might occur. So he (she) decides to walk a righteous path, determined to help the lovely but simple little emperor rule the country. Not backing down after facing torture, not losing courage, destroying rebellions and facing off with scheming princes.

- Description from Novelupdates

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.....

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

Once upon a time in a modern city, a man died and was reincarnated into a body and a new mythical world.

This world holding many secrets, and wonderous things, but he possessed something that was highly regarded in terms of importance and usability: SPEED.

Join Noah on his quest to acquire great power, meet new people; while also discovering the many mysterious features of this new world he'll eventually learn to call his home.

Adam Anderson’s world turned upside down after an accident landed him in a society where women ruled. Waking in the hospital, he found himself inexplicably married to his estranged childhood friend, Claire, a woman weighed down by a secret.But Claire’s secret came with a price. One that gave Caterina De Luca, Boston’s ruthless Mafia queen, the perfect excuse to force her way into Adam’s life.With Caterina tightening her grip and his marriage crumbling under the weight of unspoken truths, Adam faced an impossible choice: resist, or surrender to the woman who would stop at nothing to claim him.Women out number men 3:1 in the new world.This story is set in the same world as Finding a Yandere in Reverse World. You do not need to have read that story at all to enjoy this one.Discord link to get character pictures and updates easily.