After 15 years of peace following the defeat of the demon lord, Kotone Kazairo, a newly graduated mage, sets her sights on a fresh start in Dali, the royal capital of the Kingdom of Actus. Seeking out a place to call her own, the 16-year-old seeks the help of Rent Plan Guide (RPG), a real estate firm. Here, she encounters the company's employees: a practical priest named Rufuria, a warrior with a tomboyish persona called Rakira, and the lovable demihuman, Fa. To her surprise, Kotone also secures a job at RPG Real Estate, immersing herself in the inner workings of the business under the guidance of her fellow coworkers. With a wide variety of housing options available to accommodate the diverse preferences of their clients, RPG Real Estate strives to satisfy each customer's unique requirements, no matter how challenging it may be. Nevertheless, Kotone and her colleagues remain dedicated to their mission of delivering smiles, one home at a time.