I have Immortality In The Cultivation World - Chapter 1 - : Longevity Dao Fruit

On December 11th, the apocalypse began. A new, mutated coronavirus—the Zeta variant—spread worldwide, and it was far more deadly than any version before it. Those infected without strong immune systems turned into zombies, and within two days, chaos reigned, wiping out 80% of humanity.Zack, an ordinary guy, found himself in the middle of this nightmare, struggling to survive. Lacking the skills to fight off the zombies, he was soon overwhelmed and met a tragic end… or so he thought.When Zack suddenly finds himself alive again, he’s back at the start of the apocalypse but with one huge difference—an advanced AI has armed him with powerful technology. Equipped with a zero-point reactor, power armor, a super serum, and much more, he now has the tools to turn the tide.Follow Zack as he builds a new civilization from the ruins and fights to reclaim the world in this thrilling journey of survival and innovation.

Have you often come across a game where you start with a bonfire, surrounded by ice and snow, with resources all manually transported, and monsters attacking at any time...Xia Hong wakes up to find himself in such a world.The ice and snow rage on, beasts rule the land, civilization is lost, and all people and things that once existed have been invaded into powerful and bizarre entities, leaving humans as a humble race surviving in the shadow of winter, on the brink of extinction.Fortunately, Xia Hong possesses a camp system that can upgrade infinitely.[Small Bonfire]—[Iron Furnace]—[Solar Cauldron]...[Wooden Post]—[Training Ground]—[Martial Arts Hall]...[Bamboo Fence]—[Black Soil Wall]—[Iron Wall]...[Monument Stone]—[Notice Board]—[Hero's Monument]......As Xia Hong slays the beasts and exterminates the bizarre entities, gradually gathering humans, dispelling the winter, and opening up territory, the mysterious veil of this world is slowly unveiled in its entirety.

Being given a chance and reincarnated is nice and all, yet why do I have to become that male friend who just watches the protagonist flirting with his harem?---World: Kaguya-sama: Love Is War - Hyouka ----