Demonic Protector (Fem! Demon! Reader x Shinoa)

Y/n is a demon. A demon that no one knew of. She is a weapon of course. The only demons that were known were the ones of the black demon series. Though, there was a demon class called "White Demon Series". This was a weapon class that no human can use. Not even a vampire. If they were to even touch the handle, the handler would experience horrifying memories to the point they would end their own life.

That is why only the demon of that weapon can wield it. And the leader of this series, is about to experience something she never thought she could experience.