Sumi Nakahara

Working as a dedicated caretaker at the Butterfly Estate, this diligent individual plays a vital role in supporting the estate's medical operations. As a reliable servant, she assists with the daily upkeep and essential tasks required to maintain the sanctuary for injured Demon Slayers. Though her presence is often behind the scenes, her commitment to the estate's stability and the well-being of its residents remains a cornerstone of the facility's functioning.