A time where angels and demons used to have mediators between them called Deigo. They help to keep peace between them. But 30 years ago a mediator turned evil and join the evil side and the war brewing in the horizon turned a literal nightmare for everyone. The war ended with 50000 death and the evil mediator being killed by his own master!! Now 30 years later Arissa woke up in a dreary place with a dead body and is it a list of revenge? "oh! why can't I be peacefully dead? I have already been killed , haven't I??"