I Became a Murderer in the Academy. - Chapter 38: Reception.

“I... I was wrong...”“Are you still telling people you're single?”The noble and cool man was carrying the girl, who deliberately put on heavy makeup, home with one hand.“No, no, please spare me, Mr. Chairman...” sobbing in a completely undignified manner.Another slap landed, “Call me what?”The girl tearfully pleaded: “It's husband, my husband, please spare me, I won't dare again...”As everyone knows, the chairman of the world's leading conglomerate has no hobbies beyond work, except for pampering his wife, pampering his wife, going home to pamper his wife!And after being reborn, Su Ge’s favorite hobbies, besides showing off their relationship in various ways every day, are to punish villains, punish villains, and punish villains together with her husband![Rebirth + Sweet Romance + Feel-Good Story]

Ye Ming transmigrated to a world of swords and magic, here there are giant dragons, elves, orcs, magical beasts, the undead…

Legend has it that the world’s most formidable man Xu Shuangtze owned a cherished portrait of his deceased wife. But no one knew that on its back was another portrait of his arch rival who Xu Shuangtze had killed with his own hands.

Sixteen years ago, the Chief of Immortal Alliance’s Department of Discipline, Gong Wei, brought a blade with him on the Immortal Ascension Platform. His assassination of Xu Shuangtze failed and he was slain on the spot by the sword named No Way Out.

Sixteen years later, Gong Wei opened his eyes and found himself reborn in the body of a beautiful fool who even had to kneel down when talking to Lord Xu.

This was not the only disturbing thing for him.

Because of his ravishing good looks, remarkable power and status as well as his premature death in his previous life, he was now the beloved muse of countless writers. Books and stories featuring him as the main lead to all kinds of relationships were circulated far and wide. Even among the famous sects there were rumours of his forbidden encounters with every sect leader…

- 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.