MTL - With So Many Vests, I Overturned In Front of the School Grass - ~ Section 1 Mathematics, taught by the head teacher.

Billions of light years away, on a planet where magic flows through every creature, two dominant species battle for supremacy, 'Humans and Ants'.In this world, Ants aren’t just insects, they are the most intelligent and powerful race who challenged humans, wielding magic and evolving in ways no one can predict.Reborn as an ant in this brutal, predator-filled realm, Kai refuses to accept a life of insignificance. With a sarcastic system, ultimate skills, bizarre evolution choices, and a talent for chaos, he sets out to defy fate.From dodging death against Dragon Men, Ape Men, Wolf Men and Termite Kings, etc to building his own army, Kai’s journey is one of relentless growth, cunning strategy, and outrageous battles.Survive! Evolve! Conquer! The world isn’t ready for the rise of the most overpowered ant in history.

The shock! An honest office worker was reborn into the body of a swindler, to think he actually became a man who does this sort of thing…

The feng shui community had always declared Lin Zhushui to be omniscient, but it seems that his only miscalculation was his destined marriage to Zhou Jiayu.

Zhou Jiayu always had a mild nature, his skin was thin and tender, and his bones, brittle and soft. He never expected that what he feared the most after his rebirth wasn’t actually provoking someone’s displeasure.

Zhou Jiayu: Before I was reborn, I had always believed I’d be a devoted socialist successor, but then I became a charlatan and even encountered a big-shot fortune-teller,

Lin Zhushui: Are you happy being with me?

Zhou Jiayu: I’m happy! So happy I could die! But, Boss, if you could just stop thinking about meals with me as a menu item every single day, I’d be even happier.

Lin Zhushui: Not possible.

Zhou Jiayu: …

- Description from Novelupdates

A broken man who ended his own life finds himself reincarnated into the game he used to play. However, instead of becoming the protagonist or a powerful antagonist, fate places him in the role of a minor villain—a mere stepping stone for the protagonist in the game's first arc.

The empire has turned into the land of the undead due to a spell gone wrong. God summoned heroes from countless worlds to purify the empire and plant new hope. Lee Shin Woo, an ordinary earthling, was also summoned. As an undead, that is.