Cinderella Boy

Ranma and Rera, a detective agency duo in Giraffe City, find themselves in a chaotic situation after an arranged accident goes awry. At the stroke of midnight, their bodies inexplicably switch, leaving Ranma to vanish and Rera to take his place. Ranma, now trapped in Rera's body, must navigate the unfamiliar feminine world, while Rera, in Ranma's body, tries to continue their investigative work.