MTL - Demon King/The Parting of the Orchid and Cang - Chapter 13 Start reading

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

Living a fairly common life, Brian lost his parents at the age of twenty at the hands of vampires. But he never imagined that he had a daughter and she was a vampire.

Elenor was raised by her mother, learning to become the next head of the Vampire Family. Seeing the pressure and loneliness of her mother, an eight year old Elenor decides to find her father and help them patch up.

But, who would have thought that her father had no love for her mother, he doesn't know much about her. Instead he fell in love with an werewolf, her racial enemy.

But, it wasn't her story. Brian had a lot more going on in his life. With a new daughter and a girlfriend, his life began to drastiscally change. From solitary and lonely life to a life filled with excitement and love. Can he handle it? Can he raise his daughter? Will he ever love her mother?

In the age of post-apocalypse, Brian at the age of twenty-five starts a new life filled with Virtual Reality, Superheroes, Evil Aliens, Vampires, Werewolves, and most importantly, Techs.

Freshly turned eighteen, John Newman, a helpless nerd, suddenly gets video game abilities granted to him. A mysterious higher power, a secret Abyss of magic beneath the surface of the normal world, mages, martial artists, eroticism, tragedy and a harem of hot girls awaits.

A fluffy, sweet modern GL story about a mature older women and a cute university student.