In JJK With Naruto Powers - Chapter 87: Rinnegan

This is a world filled with despair, teeming with hordes of corpses, mutated creatures, poisonous plants, demons, and gods.The human societal system has completely transformed, with no justice, no righteousness, only might and slaughter.The strong can oppress the weak at will, human order has utterly collapsed, and the law of the jungle reigns supreme. In this world, weakness is the original sin!Some lucky humans have awakened extraordinary abilities, becoming Evolvers, and have risen to the top, possessing wealth, resources, beautiful women, and status.Qin Jun crosses into this doomsday world, awakening the Great Villain System at the start. As long as you are villainous enough, SSS-level talents, gene serums, and potential points are all within reach.Perhaps in the doomsday world, only villains can climb step by step to the peak…

Li Yubing and Tang Xue were deskmates throughout the whole six years of primary school. After being plagued by Tang Xue for the entirety of this period, Li Yubing saw his chance and broke free with his secondary school selection. With no contact for yet another six years, who knew that Tang Xue and Li Yubing would one day meet again in university…

- Description from Novelupdates

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.

It’s a story about a man who got transported into a novel and possessed a slum boy. He met a noble girl and served her as a butler for 13 Years. Now the girl has already fallen from her noble life and lives in an abandoned mansion with paralyzed legs. Why did she become like that? Of course because she is the villainess in the novel.