Within a Hollow Heart - Chapter 2: Volume 1, : "Whispers in the Dark, and Shadows We Seek"

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

Molitia Clemence was born sickly.

She forgot to cover herself with a blanket and caught a cold. She woke up next to her husband after 10 days just because of a slight cold.

Molitia barely survived between the thin threads of life and death. When she opened her eyes, she noticed that her husband was somehow acting differently than usual…?!

***

“Have you eaten?” (Husband)

“Yes.” (Molitia)

“This is the belly of a person who ate?” (Husband)

He frowned as he stroked her flat lower abdomen. He held her wrist carefully, as if it would break. His voice rose.

“Why is your wrist so thin? Are you even human?” (Husband)

“That’s…” (Molitia)

“Butler!” (Husband)

The butler rushed to his angry voice, fidgeting with his wrists.

“Get me food for my wife to eat. Something that will help her stay healthy. Anything is fine.” (Husband)

Molitia’s mouth opened at her husband’s words, but no sound came out. ‘I just had a meal?’

As he woke up, Wei Xuan realized he returned to the day when the apocalypse had just begun. Wei Xuan, who had a second chance at life, immediately decided: not to go to a survivor base, and not to return to human society, instead, there is only one thing he wants to do now. Find the half-zombie Du Hang, and live with him in the city full of zombies, farming and living together until old age. Wei Xuan, who stayed in the zombie city after being reborn, unexpectedly found out that zombies are not as terrible as humans think…

- Description from Novelupdates

Zhao Xu goes back 10 years in time to the day when Arthur’s game servers opened. Only he knows that one year later, the earth will be destroyed and everyone on earth will transmigrate into the world of Arthur! PS: MC is a double character class of Wizard and Archivist, training in both the arcane and the divine, includes metamagic/magic guards/spells/rubies/action points/hyperactivity/pause/temporary effect/activation/in-game purchases in the making.