[Light novel] Paper appraiser's case file, quiz, and closed room (1 book)

Publisher: Takarajimasha
Author: Yuta Yasu, SAKIYAMA
Size: 105mm x 148mm
Number of books: 1
Language: Japanese
Category: Light novel
Latest release date: 2024-03-06

Synopsis:
The "32 phase phase of the phase of the phase" published in the paper industry magazine,
What is the relationship with a closed -room murder case that happened?

Watanabe, a paper appraiser who can be identified by any paper, is involved in various incidents while solving quizzes for sweepstakes.
What is the truth of the cheating incident that occurred in a school?
How did the culprit who created a noisy monster book sneaked into a closed room building?
Watanabe, who elucidated the case and quiz, was asked to cooperate from the 32 phases of the Paper Papers, and solved the mystery of a certain mystery.