The Zashiki Warashi of Intellectual Village - Volume 2, Chapter 3: Uchimaku Hayabusa @ Shibuya Girl A

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.

Year 20XX, the world was thrown into chaos when the Tower of Yxthar appeared...A colossal structure reaching beyond the sky, its countless floors each a gateway to a different world. These realms, seemingly connected to distant universes, spilled their dangers into Earth, unleashing monsters, invaders, and unknown horrors that threatened humanity’s survival.But from this catastrophe emerged an era of superhumans.... individuals awakened with extraordinary abilities.They became known as Stream Hunters, a title with dual meaning:“Hunter” for their combat prowess and “Streamer” because they broadcast their battles not just to Earth but across the multiverse.Through their streams, Stream Hunters gained viewers from other worlds, earning gifts and, if fortunate, the backing of a powerful Main Sponsor.Adam, an average ranking Stream Hunter, was just a background figure in their adventures... until the unimaginable happened.He woke up fifteen years before the catastrophe that would doom the world!Resigned to enjoying what little time he had left, Adam prepared for an arduous journey...But fate had another twist: he unlocked the Multiversal Livestream System...Granting him the power to copy the skills of his viewers.

As the youngest captain of the league team, Yu Zhaohan knew that if he wanted to establish his prestige, he must establish a stable personality. His eyes were indifferent, he has a cold face, and he always used a full stop when sending messages. Especially in front of Shi Du, the new transfer, who was too much to handle.

Everyone thought Yu Zhaohan is a beautiful and cold flower, and so did Shi Du. He has never been interested in Bking, and he was too lazy to interact with Yu Zhaohan. Until one day, Shi Du ended his vacation early and returned to the base.

He saw Yu Zhaohan wearing a little dinosaur’s plush pajamas, sitting cross-legged on the sofa watching “Ultraman”, battling an unopenable canned fruit, and even using his teeth.

The two looked at each other, and the scene was very awkward.
Yu Zhaohan’s face was still cold, but his ears were red: “It’s a misunderstanding, I’m not a fool.”

“I see.” Shi Du smiled and approached Yu Zhaohan with full aggression, “Then, does the captain need help?”

After the two dated –
Shi Du: “Do you know baby, you don’t need to pretend to be in front of your boyfriend.”

Yu Zhaohan pondered for a long time, then slowly raised his head: “Oh… can that boyfriend touch my head?”

Note: Bking : Something like a “bking” is a king of “装逼“ which is someone who does cool stuff effortlessly or everything they do is unusually “cool”.

- Description from Novelupdates

This is the story of a crazy lich who possesses an internal game system and brings catastrophe to the entire world.