Chaos Effect - Chapter 9 -

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.

Zhong Yuhuan had transmigrated into a book and became the female supporting character who was destined to die an untimely and tragic death. Coincidentally, her family adopted two boys — the male lead and the villain of the book!

The male lead of the book would become a superstar in the show business and the villain a super successful and powerful businessman.

Zhong Yuhuan thus began her life of raising the male lead and the villain while faceslapping other scums. She would grow up quickly and live the life of the rich and powerful Mary Sue!

- Description from Novelupdates

Lu Liangwei wakes up to find herself transmigrated as a supporting character in the novel she had been reading a few days ago. According to the novel, this character has everything—beauty, wealth, status—except brains. Before Liangwei had taken over, she even went as far as to hang herself for the male protagonist that she loved: the Crown Prince as well as her sister's lover. Now that she has become a "brand new" person, it is time for her to turn her life around with charm and wit! She will get everyone to fall in love with her, even the Crown Prince's uncle—the Emperor! Who needs a prince when you can become the Empress herself?

Not to fall into the cycle of reincarnation within the vast world,The heart transmits the Dao among humans.Willing to wield a sword to end myriad calamities,Exchange ruthlessness for a world of emotions!