Naruto: The Blind Swordsman - Chapter 173: Talents, Swiftness and Reward

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

Natasha Novak was a fairly known artist from an Earth devastated by pandemics. One day, she was playing an online game and falls off her chair as a moment of luck brightens her otherwise monotonous life, and dies of a stroke due to hitting her head.Reborn in Galeia, a world of magic, she sets out to explore this brand new planet and maybe find others like her. Join her and her companions as she faces a world with a culture alien to her, meets Gods, and takes part in adventures all over the globe.

A chubby little girl was reborn. She received a heaven defying system as well as a drastic weight loss as she advanced in ranks to become a goddess. She started a company, became the big boss, signed on superstars and filmed movies. There were no limits to her counterattacks - face slapping and tumbling around were daily occurrences to her. In the end, midway through her smooth-sailing ventures, her system would always play a few tricks. [Ding! Issuing the main mission: Host, please seduce Mr CEO with all your might!] What?? The goddess was instantly dumbfounded. Hold on!! However, the goddess suddenly turned backwards and her body dashed towards Mr CEO in a manner that was completely out of her control. One step, two steps, three steps… With a crash, she hugged onto him tightly, unwilling to let go even when her life was put on the line.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates