Mysterious Disappearances (2024)

S1E1 The Cursed Book, the Maiden, and the Birthday

Sumireko and Adashino spend a peaceful evening working and chatting in their bookstore. Suddenly, their manager shows up with an unusual book of mysterious origins, handing it to Sumireko. Later, as the clock strikes midnight, she decides to open the book and read it, leading to unexpected events.