Kaidan to Odorou, Soshite Anata wa Kaidan de Odoru

A group of middle school students in Shishibone city, led by Tomohiro Miyajima, create a fake curse called "Ohone-sama" to generate excitement and earn money through donations. They mark the word 骨 on chalkboards and spread rumors, successfully turning the curse into a school legend. The prank appears harmless until a donation of 50,000 yen and a letter requesting the curse be directed at a student named Tanashi Miyoko arrive. Following this, incidents of bullying and crime increase, and strange events begin to unfold. Tomohiro and his friends are drawn into an unexpected mystery they must solve. Unusual occurrences challenge their understanding of reality, as people who should not be alive are, and knowledge they should not have is revealed. The situation becomes more complex as familiar individuals appear different than expected, raising questions about the nature of the curse and its origins.