The Undead King of the Palace of Darkness (WN) - Chapter 85.2: , Ancestor

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

Due to the machination of her boyfriend (Yi Jinxi) and “bestie” (Zhong Yi) , Xu Luosang who used to be a noble lady of a rich family was reduced to hiding her identity in order to rise up again. Her fiance put her father in jail and all that love turned to hate. So she lies about her age, hides her beauty and starts working as a carer in order to regain her power so she could save her father.

Our story begins with her nursing Nian Junting, a high-handed and narcissistic president, who suffered an accident and is unable to move and also unable to get it up. Being a man-child, the words he says are always the opposite of what the other party wants.

She thought their relationship was nothing more than a deal, so she left continuing her plans in her revenge, but time proved that he really loved her. He kept pestering her shamelesly, even obtaing a marriage certificate. His righteosness and fairness charmed her in time…..but will he make her fall in love again?

His sister: “Luosang must have reaped a significant amount of bad karma in her past lives to have been fancied by her brother.”

Him: “If I make Zhong Yi fall into the water every day, will you kiss me and feed me every day?”

Luosang’s mouth corners twitched slightly. ‘Really? Are you jealous of a dog?’

- Description from Novelupdates

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

“As if I’d marry an ugly woman like you!”