Kitaro and Cat-girl investigate a case after receiving a request from a young man who's lover disappeared exactly two weeks ago. Strangely, there have been a number of disappearances in town. Kitaro is convinced that the string of incidents are the work of a youkai. After receiving a warning from Cat-girl, Mana discovers a strange rule in the disappearances. That night, Mana receives a message from Miyabi saying, "help me." Mana races to Miyabi's house and cautiously heads inside...!
