Okitegami Kyouko no Kansatsu Hyou

The thirteenth instalment of the Boukyaku Tantei Series. When Kyouko-san's powers of deduction are taken away, her partner, Yakusuke, is on the run! How will she take on the series' greatest enemy? A time limit mystery! "The characters on the ceiling. It was I who wrote them." A young man, Yakusuke,