After the massacre of wizards, Jaina remains as the last wizard in the world. Imprisoned in a dungeon for over a decade. Then one day, a suspicious book she accidentally gets her hands on leads her into a new world. Inside lies a world of performance and pleasure that Jaina never knew. Driven by an uncontrollable curiosity, Jaina finally makes up her mind. 'Alright. I'm going to find my own XX.' However, right as she finishes her resolve, Miraculously, a man appears in the dungeon. Ronius Extion, the Captain of the Knights. Having found the perfect 'XX', Jaina boldly grabs Ronius's XX right in front of his subordinates... "Your body is mine from now on." The iron-blooded knight marked by the last wizard. Will Ronius be able to safely survive her clutches?