The Speedrun Manual of Miss Witch - Chapter 18 - Then Let’s Speedrun It

They say luck is an uncontrollable force and karma is nothing but a cycle of cause-and-effect that depends on one's deeds. But what if luck somehow really could be manipulated while the way karma worked could be changed?

With the appearance of the Realm Games where every life became worthless and Artifacts that granted various powers, humankind was pushed to the ultimate path of evolution for one last time!

Raven, a simple young man, was also forced to walk on such a path, which with his cursed bad luck became even more difficult than for others!

However, what he did not know at that time was that it was not only humanity that was coerced with such a cruel fate but every living being in the far cosmos too!

Come and follow Raven on his journey and witness how he struggles his way through hardships and how he shifts his seemingly already decided fate that the Gods have destined him to walk from the very start!

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

What is a genius? Capable of comprehending any battle skill regardless of the skill itself and sweeping away the bottlenecks while cultivating a new technique; this is a true genius! He Yiming was originally an ordinary youngster in the He family’s estate with not too extraordinary aptitude in learning martial arts.