Ruji King is the son of the most respected and powerful family in the world. He was raised to kill and destroy demons to prepare him for the great demon king, but what if all demons aren't bad? What happened a when he meets one of the most feared and power-fullest demon on earth with out knowing and becomes friends? Also having to protect and care for the demon without her knowing ?!?! ( yes, the demon is a girl ) The girl being a ticking time bomb ready to explode at any minute!! What will he chose and can he face the consequences ?!???