In a world ripped apart by monsters, an underground citadel struggles for life, supported by Summoners who can call mythical creatures from a parallel dimension.
Esil has felt the resonance that marks a potential Summoner for her entire life, but it takes more than a strong resonance to pull another being across dimensions. It’s time to put her training to the test. But the world is a much more challenging place than Esil ever realized. What do you do when the defining moment of your life falls through?