This farce concerns Lord Godard, a vampire who has decided to live as an ally to the human race. Yet somehow, it seems an intruder made their way onto his estate to murder his beloved wife with a silver stake. A certain detective comes to the estate...

This farce concerns the culprit in Lady Godard's murder. A certain detective makes it clear that Lady Godard was murdered by a member of her own family, despite their protests. Regrettably, the services of the detective's bodyguard are required.

This farce concerns the phantom thief Arsène Lupin's advance notice declaring that he shall steal the Penultimate Night and its safe from the mansion of one Phileas Fogg. A certain detective is among those gathered together to try and stop Lupin...

This farce concerns the shocking methods by which Lupin attempts to steal the Penultimate Night, and how he attempts to match wits with Holmes. A certain detective looks to thwart Lupin in her own way, and so appears in a most unexpected location.

The farce concerns the ultimate fate of the gem called the Penultimate Night, and the identity of the mysterious man who absconded with a certain detective's long-lost body. For what purpose does M pursue the Penultimate Night?

This farce concerns the titular lycanthropes and a remote village that appears to be suffering their predation. A certain detective is brought upon the scene while pursuing other goals, and implored to bring her skills to bear upon the case...

This farce concerns the hidden village and the nature of its social order, in addition to the fate of one Shizuku Hasei. Will a certain detective's assistant make his customary stylishly late entrance and, this time, truly be too late?

This farce concerns the method by which a certain detective completes her investigation of serial killings, and the secret behind the relationship between the human and werewolf villages. And Royce is about to concern itself with this relationship...

This farce concerns the detective presenting her deduction, which identifies the killer's shocking identity right at the moment when the werewolf and human communities are on the verge of destroying each other.