MTL - Others Tame Beasts, I Tame Demons - Chapter 267 Challenge the grand master level?

A dangerous neon-lit city in a shattered post-war world.

The wilderness outside the city was wild and uncontrolled, the superhuman roamed beneath the cover of the night’s rain, xenomorphs prowled the streets.

Oligarchic company, extraordinary program, prosthetic limbs, spiritual network, street gangs.

Gu He only desire after transmigrating was to become a salted fish. But even if you wanted to, you couldn’t.

- Description from Novelupdates

Transmigrated into the novel you read and became the heir of the Duke, only to be trampled under the protagonist's foot?Passerby villain?Appeared in only one chapter?“Who are you looking down on?”Ian cursed his destiny and vowed to change everything.[Ding!][A new quest has been activated.]'Oh? Do I have a system? Even better.'[Basic Quest 1: Don't let your flower slip through your fingers.]'Nice, I won't let go of her anyway.'...[Basic Destiny Quest 1: Can You Finish What You Have Started?]'Bring it on!'...[Ding!][You are at an important fork in your fate.][Unique Destiny Quest: Fight with all you have.]'Heh? Who are you looking down on?'As Ian completed one quest after another, he also inadvertently began to fall into a vortex of the unknown. He discovered there was more to this world than described in the novel.'Damn it! These suspense and twists, one after another, are killing me!'---Tags: Smut, 18+, Harem, no incest, weak to strong, Romance, Wizard, Magic, Knight, System, Multiple Planes, Elf, Demons, Monsters

In her seven years of marriage, she and her husband click perfectly well, sharing a loving and sweet relationship.

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.