MTL - My Girlfriend is a Zombie - ~ Fan Wai Series: Crazy Stone

I, the protagonist, was just an ordinary NEET, but suddenly I was reincarnated as a tiny white snake in a fantasy world where legendary creatures and gods exist. Not only that, but I awakened in a cave as the offspring of a terrifying Medusa Serpent.Armed with only my human knowledge and my indomitable mental strength, I'm forced to use cunning tactics and rapidly evolving skills to survive against far stronger monsters and humans... So begins the survival story of a former shut-in with incredible willpower, living as one of the lowest-ranked beasts in a world of magic!ᆖMusic suddenly started playing in my head.I'd been waiting for this moment for so long.'Snakes! Assemble'....

In the heart of the Azure Continent lies a legendary establishment known as Origin Mall.This extraordinary store offers goods beyond imagination: a sip of its cola can instantly replenish one's vitality; its spicy snacks grant the strength to overcome powerful foes; the games it offers can accelerate cultivation progress; and its novels impart profound techniques and insights.Origin Mall boasts a vast array of offerings, catering to leisure, entertainment, dining, and training needs alike.However, there’s one rule that all visitors must remember: never cause trouble in the store. The owner, though unassuming, is unimaginably powerful.

Living things really are ignorant – the greed to obtain the key to knowledge and the fundamentals of energy overpowers them. Little do they know that knowledge is full of lies and energy is the root of destruction. Us, mages, have mastered travelling through space and time. We are invincible, we can turn worlds into dust and you, mere ants, will be wiped out with no trace.

-Mage Adam

An A.I.(Artificial Intelligence) gets reincarnated into a world where he becomes a mage.

Ruan Tian is a cat which gained sentience, and is infatuated with the goddess who once saved him. During the college class reunion, Ruan Tian once again confessed to her, but she openly proclaimed that she would only marry Qin Li and no one else.

Qin Li was Ruan Tian’s number one enemy and love rival, and he was born to put Ruan Tian down for a hundred years!

Ruan Tian looked at him furiously. “Let’s battle! Only one of us can remain!”

Qin Li: ▼_▼ Shall we get on the bed?

- Description from Novelupdates