Lynia has always dreamed of being a Conclave Mage. To join them, she goes on dangerous jobs with constructs she summons using magical keys. Lynessa is nothing like her sister. All she wants is a normal life, but she keeps getting dragged into Lynia's schemes. It doesn't help that she finds herself attracted to one of the constructs-a being of magic, not flesh. Along the way, Lynia discovers a mysterious black key, one that summons a...