(Reversal, daily comedy, light supernatural, Japanese light novel)
A ghost appeared in the gymnasium. The investigation by the Spirit Detection Club revealed the truth that had been buried a few years ago. In order to deal with the mastermind behind the scenes, the club had to go to the mountains to learn magic to defeat the enemy.
Serial killers leave no clues when committing crimes, and the tools used to commit crimes are the only clues...
Tourists disappear one after another up the mountain, and those who know the truth are among the crowd...
Strange things happen frequently at campus celebrations, and monsters appear in abandoned classrooms...
