Maid Deka(2009)

Maid Deka is a Japanese series following Aoi, a cheerful maid employed at a wealthy Osaka estate. Behind her innocent demeanor lies a secret: she's an undercover detective assigned to investigate a suspect living on the property. Balancing her dual identity, Aoi must maintain her cover while gathering evidence for the police. The show blends comedy with detective work as she navigates the challenges of posing as a devoted servant while conducting her covert investigation. Her maid persona and genuine detective skills collide in unexpected ways, creating both humorous and tense moments as she works to solve the case without blowing her cover.