One Piece: Invincible Starting From The Fruit Of Words - Chapter 4 System Store

After her life ended, Nan Fei Yu was bonded to a Villain System. In order to complete the system’s tasks as soon as possible and reshape her body, she became a villain that everyone hated. Everyone wanted her to die! However, if the villain was delicate and soft, did it bring an alluring hallo?

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Louie became a mythical dragon that was capable of traveling between Earth and the Otherworld at will.

From this point on, the number of races in the Otherworld became more plentiful. His territory was orderly and clean, with incredible cuisine, countless novelties, and civilization and philosophy ahead of the whole world.

On Earth, his existence caused the rebirth of magic and mythology, allowing him to become the only God.

“I am the Golden King, the Giver of Life, the Champion of Magic, the Weaver of Dreams, the Guardian of the World, the Master of Time. Let mortals bow down before me and look up! Let the Gods tremble in fear before me!”

In the current era, people are either normal or are with ‘special abilities’. Cases related to the latter are managed by the “National Anomaly Prevention and Control and Special Species Management Office”.
Qi Zheng Emperor Sheng Lingyuan was reawakened a thousand years later after he jumped off the fiery Red Lake. Xuan Ji, a newly transferred staff to the Reparations Division of the Deviant Control Office, finds himself having to clean up the mess of a revived tyrannical monarch. The two seemed to share something from the past, but unbeknownst to them, a big conspiracy is stirring right underneath their noses that could destroy the balance of the world.

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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