Guild Mage: Apprentice - Chapter 99. The Hall of Ancestors

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

This is the story where Urahara Kisuke died after Nel failed to save him inside Askin’s Gift Ball Delux and reincarnated in the world of DxD.

I am not sure if I can capture Urahara’s character properly so I apologize in advance if you are not satisfied.

Also, English is not my native language.

I don’t own any of the characters from the canon.

As a transmigrator turned extraordinary creature of the human race, he found the world to be more colorful than he had imagined.To more easily access everything this new realm had to offer, he first needed a special resume. Then, he had to find the right place in a city perennially shrouded in fog to fill out an application, and the last and most critical step...— was to kill a chicken or catch a mouse.

【Infant Stage, a cumulative total of 10,000 leg kicks】【Attribute gained: Use It or Lose It】【As long as you continuously exercise the same body part, that part can evolve infinitely, but it can’t break the limits of carbon-based lifeforms】【……】【Student Phase, a cumulative total of 100 million characters read】【Attribute gained: Heavenly Intellect】【Photographic memory, learning ability reached the pinnacle of humanity】【……】【Adult Stage, a cumulative matching of carbon-based lifeforms’ limits 100 times】【Attribute gained: Multi-form】【The body is no longer limited to the frailty of carbon-based lifeforms’ flesh and blood, capable of evolving beyond life forms】【……】Having transmigrated, Lin Zichen was born with an achievement-based cheat.In this life, he only wanted to evolve quietly, continuously breaking through the limits of life forms, and savoring the pleasure that comes with the leveling-up process.