Wortenia Senki (WN) - Volume 6 Chapter 12

She is a top-class spy, a poison specialist, but also a young and cute girl with a sinister temperament. In spite of her sweet and innocent appearance, she can complete any tasks without the slightest hesitation. One day because of an incomplete black magic, she was sent into the body of a girl who was deemed as a good-for-nothing. What kind of change will she bring to this continent?

When a glorious old civilization was toppled overnight, a strange purple moon rose and thus began the Purple Moon Era.

After the car accident, the modern loving couple Zhou Ying and Gu Chengrui both traveled through the full-level space.

Zhou Ying has become a broom star that everyone despises, and can’t even eat a dry mouth.

Gu Chengrui became a poor and violent rich man who was rejected by his family, but ignored his wife.

No one loves and loves two couples, so they decided to split up!

The new family is impoverished, and the family has four walls? Don’t be afraid, they have the space and wisdom to get rid of poverty and become rich in minutes.

It’s just that these days have just passed, and trouble has come to the door.

The family wants them to go back to be cows and horses? Don’t be shy, young couples unite the front, go back!

The old rival father and daughter of the clan, one wants to rob the recipe, the other wants to rob the person? The two rolled up their sleeves, and the front was just right!

Unexpectedly, the days finally stabilized, and the disaster that happened once in a thousand years came…

- Description from novelbuddy

This is a story of a man named Kim Sae-Jin, who one day, inexplicably wakes up as a Monster. Follow him and his perilous journey to get his life back as a Human, all the while growing even more versatile as a Monster in the process. This should be… complicated, somewhat.