Alpha Instinct - Chapter 107: "Six Seconds"

Ye Chen transmigrated to a fantasy world and realized that he had seven seniors in his clan, and all of them were of stunning beauty.

Mark hatched out of an egg one day, reincarnated as a demon!His body was as strong as iron, instincts capable of noticing a silent fly multiple meters away. Eyesight sharp enough to see the small holes in an enemy’s clothing.Moreover, he also had a system.[Soul Devourer][Eat souls to grow stronger.][Mind-type Demonic Tricks have been derived out of your demonic bloodline!][Heart Input!][Input unsolicited thoughts in an enemy's heart and influence them!]Mark took a deep breath.How can he allow himself to live a mediocre life after being given this second chance?Now, he wanted it all!Women, wealth, power, status, and even eternal life!His ambition was set, his heart was on fire. A demon had been born.

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.

He doesn’t have a name, a face, or a place in the story—except to guide others to their “happy endings.” For thousands of loops, he’s endured heartbreak, despair, and the crushing reset of the world every time something goes wrong. He’s memorized every line, every trigger, every rule: no deaths, no interference, no breaking the script.But Loop 1,204 feels different. The world isn’t punishing him for stepping off the path. Suddenly, he can change things—rewrite relationships, alter destinies, maybe even reclaim his own existence. But with freedom comes uncertainty, and the looming threat of the loop snapping shut once more.Can he finally break the cycle and find his own ending, or will the world reset around him one last, merciless time?