Nanabake Rose is a character from the film Urusei Yatsura: Only You. She is a girl originally from Planet Elle. Her name incorporates the term nanabake, which means shapechanger, though she demonstrates herself to be remarkably inept at this ability throughout the story. Her primary role in the film is as a spy and operative working on behalf of the plans surrounding the wedding between Ataru Moroboshi and Elle. Before the wedding ceremony is set to take place, Nanabake Rose disguises herself as an ordinary earthling in order to follow Lum and Benten and attempt to stop them from interfering with the proceedings. This motivation stems from her loyalty to the cause of ensuring that the wedding goes ahead as scheduled, making her an antagonist figure who tries to thwart the efforts of Lum and her friends. Her key relationship is with Elle, as she acts in service to the wedding arrangements, and she also interacts directly with Lum and Benten as opponents. In terms of development, her character is defined by the gap between her intended role as a shapechanging infiltrator and her actual performance, which is notably clumsy and ineffective. Her notable ability is theoretically the power to change her shape, a skill tied to her name, but in practice she fails to execute it successfully, making her more of a comic obstacle than a genuine threat. Her personality reflects a certain determination to carry out her mission, yet her incompetence undercuts her seriousness, contributing to the comedic tone of the film. Beyond these details, no further background, deeper personality traits, or narrative arc are provided in the available information.