Kurokawa no Techou wa Mou Kataranai (The Black Leather Notebook Speaks No More) This is the full-fledged mystery game "Kurokawa no Techou wa Mou Kataranai." It has been opened, but there are no writings or folds on the kit. You can play it from the beginning. The contents are as shown in the photo. (To avoid spoilers, some of the contents are turned over)