My Beast Evolution System - Chapter 2 - 0. My Little Sister.

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.

She is a descendant of an Ancient Chinese Aristocratic family. Having just transmigrated into a young lady’s body filled with aphrodisiacs, she had no choice but to pounce at a random man upon arrival.

She was an illegitimate daughter in a wealthy family, with a lowly status. By chance, she discovered that her ex-boyfriend had sold her out. In order to hide, she accidentally injured him and fled in a panic. From then on, they were bound by an inextricable bond...

Crossing the Douluo Continent, or an auxiliary spirit master?

Su Xun decided to exercise his body first.

Thirteen years later, Su Xun is out!

Star Dou Great Forest…

“Golden Eagle, the white feathered peregrine falcon killed your wife, I’m here to help you get revenge, you fight, I’ll support you!”

An hour later, the uninjured Su Xun took away the dying white-feathered peregrine falcon.

Battlefield…

“I saw that Xiongtai’s brows were fighting against the air of black and yellow. It must be extraordinary. I don’t know if you can make friends?”

Su Xun stretched out his hands of friendship.

Thirty seconds later, looking at the opponent whose body was filled with black energy, Su Xun turned aside:

“Referee, you should speak up, or he will be poisoned to death!”

- Description from novelbuddy