I was a thief, and I was unlucky enough to steal a strange monster necklace.
The necklace was embedded in the flesh of my chest and could not be removed. It also attracted monsters to chase me, and I almost died.
What a bloody misfortune that lasted eight lifetimes!
At the critical moment, a beautiful man appeared and saved me with his blood.
Because I drank the blood of the man who called himself the Demon King, we entered into a "blood contract". From then on, I had no choice but to start living with the Demon King...