Ranma is a Japanese manga and anime series created by Rumiko Takahashi. It follows the story of a young martial artist named Ranma Saotome, who, due to a curse, transforms into a girl whenever he is splashed with cold water. Conversely, hot water changes him back into a boy. The series explores themes of identity, gender, and martial arts, as Ranma navigates his unique situation while dealing with various rivals and romantic interests, including Akane Tendo, his fiancée. The blend of comedy, action, and supernatural elements has made Ranma a beloved classic in the anime and manga community.