Toradora! - Volume 3, Chapter 1

What is a young teacher to do when stuck with four cute little students in a beast apocalypse?. It's obvious, raise himself four little wives!!Well it's not his fault after all. They are the ones initiating it. As far as he's concerned, he's the victim of the story.“These four little devils, they are definitely after my back!”

500 years ago, Chen Xi was devoured by a crack in the void and was transported into a cultivation world.

500 years later, he returned back to Earth after enduring through several hardships and discovered that only 5 years had gone by.

…

In the courtyard, beauty at the side, a candle flame wavering.

A gush of clear wind, half a full moon, the peach tree remains unchanging.

…

Wait, whose kid is this?! Why is she calling me papa? Gazing at the little girl in front of him with skin as pale as jade, Chen Xi froze.

…

　
Returning home from cultivation, starting as a stay-at-home dad.

In this life, not fighting to be a king nor claiming to be a tyrant, only praying to peacefully be a wife-pampering mad devil and a child-protecting daddy!

- Description from Novelupdates

Nero was an orphan boy who one day went to sleep like any other day in his apartment. However, what he did not know that the moment he slept, it would be his last day of life...Or at least that was how it should be.Nero's soul wandered between the worlds and ended up entering the body of a girl who was trapped in a human mutation laboratory. While the girl's soul was still alive, he hibernated inside her body.After so many tortures, the girl named “Zero” in the laboratory died. But, it didn't end there, when the girl died, something very strange happened, something took control of the girl's body and that same thing escaped the laboratory.It was when Nero what that was hibernating in the girl's body woke up and realized was completely naked. In addition, he realized that he turned her into a beautiful winged woman with white hair and some pink strands.

[Shuangjie, sweet pet, white and black, happy friends, 1v1]

The majestic master of Yunran, who is proficient in medicine, poison, and martial arts, lives happily like a fairy, but once he was struck by lightning, his soul turned into the bullied eldest lady of the Shangshu Mansion, and his life is not as good as a dog…

The step-sister regretted her marriage, and directly ordered someone to knock her unconscious and throw her on the sedan chair, and marry the man who was rumored to be suffering from eye and leg diseases.

*****

On the wedding night, Nangong Mo said to her:

“This king is blind and disabled and his life is not long. I don’t want to miss the beauty. You can reconcile and find another lover.”

Yunran replied affectionately: “People in the world often say that when you get married as a husband and wife, there is no doubt about your love. Now that you and I are married, we should never leave. I will accompany you to the last moment of my life.”

However, Nangong Mo heard her voice:

[Heli? Why do you want to reconcile? Living in your house, spending your money, and when you close your eyes and kick your legs, I will dig a hole and bury you, and then inherit your wealth, rich land and beautiful family, wouldn’t it be beautiful? 】

Nangong Mo gritted his teeth slowly: “Heh… very beautiful!”

- Description from novelbuddy