K1ERA

After the betrayal by her family and being killed by her blood-related mother, Jiho closed her eyes, seeking an end to her suffering while already ensured to mess their life after she peacefully slept.
 
However, when she opened them again, she found herself in a white room facing her dead master. 

"You have broken your promise, so as your punishment, you must live in another world until I am satisfied," he declared. 

Upon reopening her eyes, Jiho found herself in an ancient-looking room, and what was even more shocking was that it was an ABO-type world. 

In this world, aside from men and women, there were individuals who appeared more delicate than men but could give birth refered as mer.

Jiho who hates relationship.  

What a peculiar fate awaited her?

Volume 1] Chapter 213- Why Are You Marriying Me.