Melody Hollistyle was once a happy, cheery girl with a promise to marry Ciel Phantomhive at the age of 8. Once she lost everything from her parents and brother, She makes a deal with a demon. She and her butler Adam began to fulfill her promise by killing everyone that made her anger and sadness to show. What will happen when a bonding contract between her company and Funtomhive company involves her old friend? Ciel x Oc story. I don't own Black butler. I just own the oc and her workers