Having been born a demon in this world, you are divided into two destinies - to die or to become a slave. Kahu got the fate of a slave. Although he was only five years old, he had already learned all the bitterness of life and his gaze was empty and angry at the whole world. Today he was bought at the slave market and brought to the mansion. Standing on a chain in the middle of a large living room filled with people, he felt their contemptuous glances. The man who bought it pulled Kahu by the chain, leading him to a girl of the same age as Kahu.

-Ah, my dear niece, how you've grown up, you're five years old. That's why I brought you a special gift.