In the Mai-Otome anime series, Mashiro is a young man who closely resembles the actual princess of the kingdom in appearance. The story begins with the death of the princess and the decision to select a fake one to prevent war and administrative issues. Mashiro is chosen as the new princess due to his striking similarity to the real one. Initially, he is an apathetic adolescent who tends to avoid problems and give up easily. The central plot revolves around his transformation from a pretend princess into a strong ruler. Often, when thinking to himself, Mashiro imagines that he is communicating with his mother. His true name has not been disclosed.