Jun Kyoju: Takatsuki Akira no Suisatsu 7 (Kadokawa Bunko)

[Machine Translation] A female student from Seiwa University came to Takatsuki and Naoya for advice. She said that one of her friends went missing the day after she and her friends tried "how to go to another world" in an elevator. When they asked her if she had any idea what was going on, her voice was distorted. The other two traveled deep into the mountains of Tochigi at the request of Toyama. They are troubled by a series of suspicious incidents during the construction of a swamp reclamation project. It is said that there is a legend that "nushi" live in the swamp! -The two are fascinated by the otherworldly world in this folklore mystery!

青和大の女子学生が高槻と尚哉の元へ相談に訪れた。友達とエレベーターで「異世界に行く方法」を試した翌日、うち1人が行方不明になったという。心当たりを尋ねると彼女の声は歪み―。ほか、遠山からの依頼で栃木の山奥へ赴いた2人。沼の埋め立て工事中に不審な出来事が相次ぎ、困っているという。沼には「ヌシ」が棲むという伝承もあるらしく!?―「君は、消えたら駄目だよ」「先生こそ」異界に魅入られた凸凹コンビの民俗学ミステリ!