Doomsday: I Become Invincible By Picking Up - Chapter 437

Chen Mobai, a third-year student of Xianmen No. 5 High School, is working hard to review and prepare for the entrance to Daoyuan. The direction of his efforts is: to develop a new world

- Description from novelbuddy

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.

After 10,000 years, it was iced. The Douro’s federal expedition team discovered an egg with a gold and silver two-color pattern during the scientific study in the northern part of the country. After exploring it with an instrument, it found that there were vital signs inside, and he quickly brought it back to the institute for incubation. The egg hatched, but it was a baby, a baby identical to humans, and an egg-born child.

- Description from ptwxz

Zombies, cold waves, floods, earthquakes, acid rain, tsunamis, extreme cold, high temperatures, land pollution, seven days of darkness... Since the year 2563, humanity had endured such apocalyptic crises for a full ten years.In those ten years, plants mutated, animals mutated, the food that once fed humans became toxic, and the lands that could once grow plants were now polluted. The living space for humans was increasingly compressed.And at this critical moment, a five-story supermarket suddenly appeared.Here, one could buy piping hot oden, tasty instant noodles, and sweet White Rabbit Creamy Candies...Countless Superpower Users greedily wanted to take the supermarket for themselves.And then...They were all kicked flying by Su Yinhe with one kick.Su Yinhe spread her hands, “I didn't bring the Infinite Supermarket here to be robbed; I came to make money.”A Superpower User who felt like he struck gold after buying a box of instant noodles: “Miss Su is beautiful and kind-hearted, to only charge me ten gold bars for such a huge box of instant noodles.”A female Superpower User who hadn't tasted sugar in ten years, with tears streaming down as she savored the candy: “Such sweet sugar, and it only costs one gold bar. Miss Su truly is a great person.”A Superpower User who ate the supermarket's oden and then didn't want to leave: “I'm twenty-five this year, 188, Gold Element superpower...”Su Yinhe, only wanting to make money while holding a pile of gold bars: “Keep it low-key, low-key.”