City of Sin - Book 9, Chapter 63

World ended on 12:31:2024DING!WELCOME TO REBIRTH: 100 DAYS BEFORE DOOMSDAY!Grace Blackwood survived five long years in the apocalypse before she was killed by her own people. Miraculously, she returned to the past with the help of her family's heirloom - exactly 100 days before the Doomsday.Having a space that was upgraded with a system, she took her revenge, stockpiled supplies for the future, and made necessary deals and connections.In her last life, she was alone. But this time, she found four men who were loyal to her and were ready to die just to keep her safe.In her previous life, she lost her most trusted people, but this time, she was ready to do anything to save them.This time, she was ready to face the apocalypse - stronger and better than the past.* * *Warning: This is a Reverse Harem Romance with mature content.

Qin Yichen returned to his youth with his memories of more than 10,000 years. Superb mental strength, advanced elixir formula, advanced martial arts.

- Description from xbiquge

When he woke up, Chen Xiao, a tech elite business genius, was reborn in a parallel world in 1999, another self standing at the gate of the college entrance examination.

This year……

OICQ was just born, and Goose Factory employees pretended to be girls and chatted with male netizens. Ma Yun was regarded as a liar and was forced to leave Yanjing to start a business in Suzhou and Hangzhou. Li Hong rented two rooms at the Yanjing Hotel and discussed the prototype of whiteness…

This year, Chen Xiao took the black technology guide of the future world, from social software to domestic systems, from domestic chips to artificial intelligence, from new biological energy to DNA remodeling to fight cancer; from quantum technology to anti-gravity engines…

He won the title of “Forbes” and dominated the global media. He suddenly found that he had accidentally changed the world.

- Description from novelbuddy

There are 7 dimensions controlled by a Universal Government. Each dimension is governed by its own unique universal laws. There are a few things they have in common, there is always 1 the strongest and 1 the smartest. Except for the Universal Government, it’s forbidden to travel between dimensions. Interdimensional gates don’t close on their own and if left open, creatures that dwell in the darkness between the worlds will find their way through. Without warning, one of the dimensions disappeared without a trace. The remaining 6 in panic did all they could to find the reason why. They never found an answer. 12 years after the dimension vanished, a signal started appearing in the empty universe. Perhaps the answer is in that signal.Tsugi No Level