The Main Characters That Only I Know - Chapter 329:

After a long slumber, Zhou Yi wakes up in a wasteland era. He discovers that the new humans, to avoid the daylight supremacy of the Guangna species, only dare to come out at night, meekly whispering in the darkness and scavenging for trash. Exasperated, he questions how humans could have deteriorated to such a state. Lamenting that each generation seems to be worse than the last, Zhou Yi decides to show them the ways of the older generation. Embarking on a quest to transform the wasteland, he aims to rebuild the lost splendor of humanity.

When not THE Apocalypse strikes, but all of them together, where will you be? What will you do?

As Humanity faces its hardest time a playful god shows mercy(?)

Follow Seth on his journey to somehow survive in whatever has become of his world.

Also posting on royal road.

After an unfortunate encounter with Truck-kun, Kieran Darkmoon suddenly found himself transported to a world full of women, where men are as rare as a unicorn and the cultivation game is anything but straightforward!With a lewd system that rewards him for getting frisky, Kieran quickly learns that pleasure is the path to power! From racy encounters with sect elders to sneaky adventures in the weapon pavilion, every sexy escapade earns him points—and who doesn’t love a good point system? As he navigates his way through a harem of powerful women, bizarre quests, and comically awkward situations, Kieran is determined to rise above his circumstances (and maybe get some snacks along the way).Join Kieran as he juggles dual cultivation techniques, earns outrageous bonuses, and uncovers hidden treasures—all while trying to stay out of trouble (and in others pants!). With epic battles, outrageous rewards, and enough steamy moments to keep you blushing, “Lewd System in a Cultivation World Filled with Women” is a hilariously naughty adventure you won’t want to miss! Buckle up for a journey where every encounter is a chance to level up in more ways than one!

For others it takes dying and reincarnating for them to get a system but what happens when you get one without dying?

Aron Michael is an average student set to graduate within a week, but he was expelled for a random reason. Due to that, he had heavy student debt and no diploma to help him earn the money to pay it back. But one day he got a system that called itself the [Advanced Tech System].

Follow the story to watch him develop from your average Joe to him being the owner of the largest company in the world.