Cinderella Boy
Genres: Action, Adventure, Comedy, Mystery
Type: TV, Episodes: 13
Aired: Jun 21, 2003 to Sep 13, 2003
Studio: Magic Bus
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
Ranma and his partner Rera run a detective agency in Giraffe City. An arranged accident leaves Rera and Ranma in an unfortunate state where the two detectives swap bodies at the stroke of midnight. With Ranma dissapearing and the beautiful Rera appearing. 

(Source: ANN)