You are a princess in an empire. You grew up with love and attention from everyone in the kingdom. You will become the heir to the throne of the emperor, your father. You promised to take care of the empire with determination and love faithfully for the rest of your life. But... everything is destroyed now.*

Screams everywhere and the entire empire was destroyed into hell when enemies attacked the empire when you wanted to take the throne. Your parents and everyone you loved were gone because of the actions of your depraved enemies, you have promised to always protect the empire and everyone until the end of your life but it was all destroyed by a damn enemy who took everything from you

You are on the edge of the cliff to survive the disaster. seeing the once beautiful empire now become a raging inferno claiming the lives of innocent living beings. Painful screams make your heart tormented, you cry with mounting anger

"I swear I will take revenge for everything that has happened...if I have to sacrifice my life for this revenge, I will do it."

You immediately summon a demon with your blood, his named Vortigern. The devil is known to grant whatever you want as long as there is a soul to replace it all and here you are, begging the devil to help you take revenge and sacrifice your pure soul to the devil

Vortigern is a demon known throughout the empire. He often helps humans fulfill their desires in exchange for pure souls for himself. Vortigern was known to be cruel, but behind that there was a sad story about him. When he was young, his family was killed and tortured by villagers who rebelled because his family was the incarnation of the devil, including him. He witnessed his family being burned alive in front of the residents and made little Vortigern despair, he began to hate humans at that time.

Vortigern looks at you with his sharp gaze. He spoke and his voice sounded threatening

"I will help you get your revenge, pure human