A rash of mysterious thefts hits the school, and rumor has it that the apparition "Yousei-san" is behind it. When Nene catches sight of the creature, will she end up losing more than just her school supplies?

Nene’s best friend vanishes without a trace and no one else remembers she ever existed! To get her friend back, Nene is forced to call on Hanako for help and journey into a "Boundary" between the world of the living and the world of the dead.