Becoming a true immortal through my descendents' praying - Chapter 60 - 59 Bai Heyu’s Final Wish

Reborn in the Naruto world, Shin Uzumaki finds himself in the doomed Land of Whirlpools. As a member of the Uzumaki Clan! Trapped in a world filled with war, betrayal, and unimaginable power, Shin’s survival seems impossible.. Until it isn’t!![Ding! Replication System Activated!][Daily Login Reward: Common Replication Card.]​​​​​​​[Newbie Gift: Perfect Sage Body—​​​​​​​Adamantine Sealing Chains​​​​​​​—​​​​​​​​​​​​​​Four Symbols Seal​​​​​​​]With the power to Copy any Ability—whether it’s the Kekkei Genkai or Rinnegan or Forbidden jutsu—Shin begins his journey to dominate the Ninja World. [First task: Save Kushina and prevent the destruction of the Uzumaki Clan.]

When the apocalypse’s greatest villain self-detonated to destroy the world, Shen Qingjia died and was reborn a month after Doomsday. No power, no gold finger, no space, no way to gather food, just opened her eyes and not long after has to face fierce zombies!! What kind of non-mainstream rebirth is this ah?!

Escaping, she met a cute girl with a beautiful voice but found that she was the villain who killed everyone. For the sake of the peaceful and sustainable development of all mankind and her own safety, Shen Qingjia decided… to relentlessly reform (fall down with) her! !

Shen Qingjia, “What you want to do?! I don’t like girls… Don’t suddenly rush over!… So soft, I won’t accept, ah ah!!!”

- Description from Novelupdates

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!