MTL - Legend of the Black Dragon Devouring the Stars - Chapter 20 Akatsuki's response

After nine years of traveling with her parents, Long Shiyan’s family encountered a group of bandits. Although her parents died, Long Shiyan was able to escape from them with the help of a system. From it, she learned that she was stuck inside the world of a harem novel! In order to revive her parents, Long Shiyan must prevent the protagonist of the original novel, Long Aotian, from capturing wives and attaining a harem. Otherwise, the world would end!

But, after saving a future harem member from Long Aotian’s clutches, why did this girl obtain a more terrifying characteristic than blackening into a villainess…

- Description from Novelupdates

Seven billion humans living on the Earth time-traveled together after they had woken up one morning. They all heard a synthesized female voice.

Lou Yao Yao wasted her life fighting over a man, only to find out he wasn’t worth it in the end. Because of this man, she accidentally killed her rival in love, and even ruined the man who had always been watching over her.

Back in 1998, an ordinary person who has been through, tired, cried, and fought, hopes to run down-to-earth and keep up with the trend of the times.

- Description from novelbuddy