Mysterious Disappearances

Aired: 2024

An occult mystery based on the manga by Nujima, set in a bookstore and exploring the relationship between supernatural phenomena and humans. Aspiring novelist and bookstore clerk Ogawa Sumireko, together with her enigmatic young coworker Adashino Ren, investigates the mysteries of the supernatural indicated by invisible '!' signs that should not be seen. The story interweaves inexplicable phenomena lurking in everyday life with the feelings of the people involved. The OP theme 'Hazard Symbol' is sung by Yuyu, with lyrics and composition by Mafumafu. The ED theme 'Akaku Somete Shinzou' is by Obuchi Nonoka, with the song provided by Neru.