After losing her parents in a tragic accident, 12-year-old Oriko Seki finds herself residing in her grandmother's Onsen Ryokan 'Haru no Ya.' Sharing her space with the ghostly presence of 'Uribou' and facing various challenges, she embarks on a journey to become a skilled young female innkeeper. Initially hesitant about the training, Oriko's initial reluctance transforms into genuine respect for her role, leading her to dedicate herself wholeheartedly to her development. Thus commences the inspiring tale of Oriko's evolution as a determined young warrior.