A young freelance assassin comes to Imp City for a job, and along the way, unintentionally rescues a tall imp named Blitz. Impressed with her skills, Blitz invites her to join his company, where she's reunited with her childhood best friend, Loona. As she works with the dysfunctional assassins, her old feelings for the hellhound resurface, but can they be more than friends?

What if instead of an Overlord, there was a Empress of Death? This is the story of how a young woman who's last day on Yggdrasil, would turn into an adventure of a lifetime. Expecting the game to end, Rina found she was still in the game as her avatar, now finding that everything has changed. She finds herself and Nazarick in a whole new world filled with adventure.