The main character, Erik, struggles to prevent the execution of his beloved warrior, Lotte. I will train her. From a noble war princess to a XX maid. At first, Lotte, who is insulted and furious, finds out Erik’s true intentions, and she decides to become a XX maid herself. And her training is started with the cooperation of her XX maid trainer Keira. If her training fails, Lotte will be executed, so Erik decides to be a ruthless trainer himself, and imposes her harsh training on her beloved Lotte …!?