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 break the binding contract, Sig, along with his newfound companions, navigates through a web of conspiracies and unexpected challenges. As the journey unfolds, the pressing question remains: Can Sig break free from their bond, or is he destined to be forever entangled with these demonic blades?