The story begins with the sudden disappearance of , Nene's best friend. Unlike a normal kidnapping, Aoi's existence is completely erased from everyone's memory except Nene's. Desperate to find her, Nene turns to Hanako for help.
: She informs them she was cut into pieces and tasks them with finding her scattered body parts (arms, legs, etc.) within a time limit to progress. (Dub) 3 : The Misaki Stairs, Part 1
Nene, Hanako, and the young exorcist enter the Boundary to rescue the missing students. They find themselves in a surreal, dreamlike environment that resembles an infinite staircase. The story begins with the sudden disappearance of
: The leader of the Seven Wonders who reveals the truth about Boundaries. : She informs them she was cut into
: The victim whose disappearance kicks off the "Misaki Stairs" arc. Lore: School Mystery No. 2
The Misaki Stairs represent the school's , governed by an entity named Yako . While the rumor says she shreds her victims, her true motivation is rooted in her tragic past and her obsession with a teacher named Misaki who once showed her kindness. If you'd like to dive deeper into this arc, I can: Summarize Part 2 to see how the mystery concludes.
Hanako explains that Aoi has likely been "spirited away" into a —a space between the living world and the spirit world. He identifies the culprit as The Misaki Stairs (the Second of the Seven Wonders), a staircase in front of the art room where anyone who steps on the fourth step is dragged into another world. 🏛️ Entering the Boundary