On Ciel's sixteenth birthday, she expects her father whom she hasn't seen in a year to finally come home. What she doesn't expect is the strange boy that appears on her front yard and claims her father is a demon king ans that he is her personal guard sent to protect her from the vicious demons after her half human blood. Ciel is taken from her safe and happy human life and thrown into the new, more adventurous life of her demon lineage filled with new friends and unknown dangers. Will she be able to control her powers and balance both halves of her life or will everything blow up in her face?"
