The Great Merchant in the Cataclysm - Chapter 65

She, the only descendant of Chinese ancient martial arts, a stunning ghost hand genius doctor, once passed through into the Ye family waste lady.

Open your eyes again, the sky and the earth are surging! What? Born waste? Disaster star? Very good, she will soon let them see what is born waste, what is a star of misfortune.

He is the evil emperor respected by thousands of people, mysterious, noble, and unattainable.

When he met her, she avoided him like a snake, and he entangled her like a vine.

“Evil Emperor, it’s not good, Madam ran away again!”

“Chasing!”

“Evil Emperor, it’s not good, Madam is hiding!”

“Look!”

- Description from novelbuddy

This is an alternate history. Decades after the fall of the Eastern Jin Dynasty, the world is still in chaos, although there is hope for reunification.

Ian was an ordinary guy on his way to work when he suddenly found himself in a strange and dangerous world ruled by dark races like vampires, werewolves, and demons. Transmigrated into the body of a lesser vampire, Ian must quickly adapt to his new reality where survival is a constant struggle.Just when all hope seems lost, Ian discovers he has a unique advantage: The Strongest Body Customization System, which allows him to modify and customize his body by consuming biomass. With this golden finger, Ian starts to turn the tables, designing bone claws and other enhancements to give him an edge against the terrifying werewolves and other supernatural threats.But as Ian learns more about the Curtained Imperium and the rigid hierarchies of the vampire race, he realizes that defeating his enemies is only the first step. To survive and thrive in this dark and brutal world, Ian must rise through the ranks, uncover the power of his system.Need to fly? Customize a pair of angel wings!The body is small? Add hundreds meters of height and become bigger than Godzilla!Need a weapon? Customize bone claws and kagune on the spot!

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