One fateful day, Signatur Zegar's worst nightmare comes true when he unwittingly forges a pact with Minerva and Sui, two eccentric demonic swords donning a teenage girl guise. Setting forth on a quest to bre...

: Saku, an assassin, believes his life is meant to be lived by the sword. After a night of brutal killing however, he is left wounded and helpless in the hands of Shakou, a mysterious doctor, and the only w...