The Real Young Miss's Secret Identities Revealed - Chapter 4

When natural disasters ran rampant, with extreme cold and storms spreading endlessly…When the world mutated, zombies surged like tides, and eerie horrors emerged…When the apocalypse descended, massive Devouring Abysses hundreds of kilometers in diameter began appearing around the globe…When people looked up at the atmospheric cloud layers and saw the slowly emerging corpse of a colossal evil god…From that day, people began to notice that daylight was arriving later and later, until the sun no longer rose, plunging the world into an unending polar night.For survival, on that day, the Apocalypse Radio made its final broadcast to the world:“Everyone, flee eastward—escape to dawn!”…Lin Xian awakened the [Mechanical Heart] ability. He could devour machinery to gain various mysterious skills, scan machines to obtain blueprints for manufacturing, and even use his thoughts to achieve unified control of different machines.Thus, he found a 200-ton heavy gas-powered locomotive, towing specially modified storage, planting, production, medical, and living carriages, and embarked on a 320,000-kilometer journey along the planetary orbital rail—charging eastward toward the dawn!

Jian Wushuang was reborn in adversity. In order to get his revenge, he began to cultivate Heavenly Creation Skill. With the help of the Heaven defying cultivation method, Jian Wushuang gradually grew into a peerless genius from an ordinary practitioner. With a sword in hand, no one is his match. Using his extraordinary Sword Principle, he killed all his opponents and eventually became number one Sword Master from time immemorial.

- Description from Novelupdates

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.

Super-genius Ellen Young, creator of countless tech products, retires.At the height of her career, she turns down numerous high-paying offers, yearning only to return to the countryside and lead a peaceful, laid-back life.Unexpectedly, her long-lost family comes looking for her, and a celebrity sister requests to live-stream their countryside life online.Ellen Young: ?A big, fat no!Netizens around the world think that this newly found daughter in the celebrity’s family is illiterate, lacks manners, is completely crass, and without any redeeming qualities.Becoming a laughing stock of the internet.Until.....Why is a world-renowned professor calling her teacher online?Why does a well-known CEO furiously comment 'If you don't come back, I'm not managing this company anymore'?Why are numerous consortiums sending barrages online, appealing for lower patent fees?—Isn't this just a country girl selling radishes online and making ads?