The Mirror Legacy - Chapter 476: Meng Taizhi (I)

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

The MC entered the body of the An family eldest son, An Ziran, an arrogant 16 years old boy who weighed 78 kg (~171-172 lbs), who only knew how to eat, play and sleep. Seeing his current body, An Ziran decided his first priority was to LOSE WEIGHT!

For ten years, Ryn lived in quiet exile with his wife Mira, far from a world overrun by supervillains. But when the flames of chaos reignite, he’s forced to return to the battlefield, stronger and deadlier than ever.By his side is Mira, his unwavering partner—devoted, ruthless, and hiding a darkness Ryn can't see.Enemies rise, old ghosts return, and war looms on the horizon. Ryn seeks justice, while Mira seeks to protect him... even if it means drowning the world in blood.Let them come.

In the endless Universe is eight primordial laws. Each of the eight laws have been fused with a supreme expert, but unbeknownst to everyone, there is a ninth law in the universe. It tears open the Primordial Chaos and is beyond reach.

Di Jiu—whose name is a homophone for ‘ninth’—is the ungifted son of a powerful Di family clan in the Ji Nation as he lacks martial roots. Unwilling to resign to his fate, he practices medicine, hoping to one day cure himself.

- Description from Novelupdates