I Alone Level-Up - Chapter 268

Due to an unexpected turn of events, Xia Fei consumed a Super Gene Optimization Fluid that bore no brand, expiry date, instructions or stated its place of origin.
Our story begins here…

With her superb skills, Tang Ming has countless peach blossoms from small to large.

There is a President willing to contract fish ponds for her.

There are also overbearing male masters who are willing to make a fortune for her.

School grass keeps his body like jade for her, infatuated male leads are countless.

There are countless peach blossom debts, and the whole body is written with slag from top to bottom.

Until she encountered the system.

From then on, the road to ending slag, is getting farther and farther away…….

*School grass means the hottest guy in school.

- Description from Novelupdates

To save the hopeless Dark Fantasy World, I held back my tears and destroyed the world, then killed the Demon King and returned.

Now, I’m trying to save the world using the ‘System’ I gained as the ‘Regressor’s Privilege’… but the Main Heroines have also awakened their memories of the previous timeline.

God damnit.

However, he did not know that he was not raising just a harmless pet, but a biological weapon secretly made by the government… a real monster.

As a former librarian, Rand felt that he had been living an ordinary life, the one that he had reclaimed unconsciously every single day.

Recently, he has been a little upset because the pet fish he accidently brought home to raised seems to have undergo some strange changes

Well, it turned into a merman.

- Description from Novelupdates