After the New Year, Yilin Jing comes to the Komatsu Detective Agency with a request.

She wants to hire the trio as guides and bodyguards for the daughter of a Hong Kong tycoon who is visiting Kyoto in secret. Kiyotaka is forced to accept the request against his will, but luckily, Aoi comes to save the tour from becoming a total disaster. Everything seems to be going well at first, but before long, they find themselves caught up in an extraordinary incident!