Life Simulation: I Caused the Female Sword Immortal to Regret Forever - Chapter 246:

In the end of the world, the fittest survive.

Come back from rebirth, seize the opportunity, just want to survive in the hopeless end times.

Three months before Mu Nan returned to the apocalypse, he sold all his savings to accumulate supplies, hoarded everything he could hoard like a hamster, and then huddled in his own house and lived a low-key life, carefully waiting for the apocalypse to come step by step…

- Description from Novelupdates

Kyōsuke got reincarnated into the world of Naruto in the Warring States period and became an ordinary member of the Uchiha clan.At this time, Uchiha Madara was still just a teenager, the God of Shinobi was still pondering how to make World Peace, Black Zetsu was plotting how to split the moon to save his mother, and the enigmatic Jigen was quietly chanting sutras in a secluded temple.The young Kyōsuke stepped onto the battlefield, but fortunately, he awakened a Point Redemption System, allowing him to trade points earned by killing enemies for various abilities.[Tenseigan, SSS-level item, requires 200,000 points to exchange.][Divine Tree Seed, SSS-level item, requires 200,000 points to exchange.][Truth-Seeking Orbs, SSS-level ability, requires 200,000 points to exchange.][Yamotsu Hirasaka, SS-level ability, requires 100,000 points to exchange.]Uchiha Madara: “Kyōsuke, you and I as brothers can surely annihilate the Senju Clan together!”Senju Hashirama: “My friend, let’s realize the dream of building Konoha Village together!”Black Zutsu: “Help me save my mother!”Uzumaki Mito: “You promised to marry me—are you trying to go back on your word?”Otsutsuki Kaguya: “This is bad! The clan’s law enforcement team is here. Kyōsuke, defend against them with me!”Otsutsuki Isshiki: “Impossible! How do you know my unique eye technique?!”Uchiha Kyōsuke: “Impossible? Please, I can even hit the moon!”

“Hey monster, you're not ready for this blow, but I don't give a shit!!” said Lian as he drew a circle inside another circle in his mind.Then, a few seconds later, a fireball as big as a house hit a monster just over 4 meters tall...It was a waste of resources, but it was damn fun!“BOOM!!!” he said as the fireball reached the monster, covering it entirely.The excitement on his face was palpable as his clothes and hair fluttered from the power generated by the impact.[Accuracy: 97%]“Tsk, it's really hard to achieve 100% accuracy when casting spells... that just means I have to do better!”Meanwhile, the monster and the entire area around him was destroyed. The crater was huge, flames burned the ground, and ash mixed with dust covered the air.---In a world full of Gates, Mages and Knights work together to defend humanity from extinctionLian, a boy from a small town, awakens a very... unique system.Casting spells by drawing strange shapes in his mind had become normal for him by now.Thanks to the system, he had become a Mage, a human capable of using mana to cast spells.Facing monsters from the Gates had become routine. Studying magic was a pastime. After all, he had the System, he didn't need to study classical magic. Or maybe not...

A man reincarnates in the body of a boy who suffered a tragedy, only to realize that he is in the world of My Hero Academia. What's even stranger is that his quirk seems to have the abilities of Nen and Haki.