I Was Stuck on the Same Day For a 1000 Years - Chapter 20: This kid is

Alvin had planned his future: after leaving the city of Serinthia and obtaining his graduation certificate in technology, he would return to his hometown, stay close to the only girl in his life, and kill a few people from time to time for fun and entertainment.But fate had other plans. On an ordinary day in the Royce Empire—one of the three great empires that ruled this world—the sky split open and a barrage of meteors descended. From that moment, the world changed, and the lands of the empire turned into a battlefield, as monsters appeared and people became hunters.Now, Alvin found himself forced to abandon his former dreams and return to his city before the companion of his life dies.

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

A brand new masterpiece by the author of “Unscientific Beast Taming”!!!The best fantasy novels in China in 2023！The invasion of creatures from different time and space gave birth to the “Beast Master” profession, and the protagonist was selected by a mysterious “black card”, indicating that he has the qualification of a Beast Master and can contract to control pets to fight for himself!“Who could become the undisputed King of Beast Trainers in the brand-new Beast Training Era?”Royal Beast+Online Gaming+Spiritual Energy Recovery+Secret Realm