Yumi Tamura's popular work, Do Not Say Mystery, Volume 10, a limited edition with bonus features. - Title: Do Not Say Mystery - Author: Yumi Tamura - Volume: Volume 10 - Release Month: January 2022 It has been stored in a cool, dark place with a bookstore cover on it. Although I have checked it as best I can, there is a possibility that I have overlooked some stains or other imperfections. If you understand that this is a used item, please consider purchasing it.