I Got Rich in Period Fiction - Chapter 4 - 0 Barren Land

In her previous life, she was betrayed by her husband and sister, who not only drugged her and forced her into a relationship with a stranger but ultimately conspired to kill her. After being reborn, she found herself in the body of a disgraced heiress, a girl who had hidden her identity and attended school in another city. She didn't excel in lessons and was unpopular among classmates and teachers. Besides, her family, with the exception of her grandfather, disliked her very much. Therefore, in this life, she vowed to avenge not only herself but also the soul who once inhabited this body.With her rebirth, she possesses a purple bracelet that grants her superpowers. She has access to a purple secret space, which contains mysterious towers, rare elixirs, and other enigmatic treasures. As she gradually unravels the secrets behind these superpowers, the purple bracelet suddenly shatters, sparking a new set of events.Caught in a maelstrom of time and space, she embarks on an extraordinary journey filled with unforeseen adventures. Is this rebirth a mere coincidence, or is it all part of a grander, predetermined plan?

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 notorious imperial court lackey and the meritorious military general were well-known for their mutual dislike, a pair of arch-enemies set in stone. Who could have foreseen the unexpected change in the winds of heaven: the general injured on the battlefield, both legs disabled, and even forced by the emperor to marry his nemesis.  

With one marriage edict, two people with mutual hostility are forced to marry and live under the same roof. Yet after these long days together, they come to the realization that this fellow is not truly devoid of any saving grace/unattainable and high out of reach.

- Description from Novelupdates