Okitegami Kyouko no Taishokunegai

The fifth instalment of the Boukyaku Tantei Series.

With her resignation letter tucked into her breast pocket, Inspector Hatopa was shaken. Her last case is a drowned body found floating in a park fountain. However, due to its inexplicability, she is forced to investigate in cooperation with the famous forgetful detective, Okitegami Kyouk...