Box of Goblins: The Case of the Spirits in the Boxes

Atsuko Chuzenji, Akihiko's younger sister, wrote a series of investigative notes that shed light on the brutal dismembering incidents from the main story. Her research focuses on the cases where spirits are found in the boxes related to the gruesome crimes. By examining these notes, it's clear that Atsuko's efforts aimed to understand the connection between the spirit possessions and the violent events.