Eiko drags Keitarou to visit a young girl named , a prodigy medium who can see and communicate with ghosts. Yayoi has a grim goal: to find the spirit that kidnapped her mother years ago and retrieve her. Unlike typical exorcists who purify or banish spirits, Yayoi captures and weaponizes them, turning malevolent ghosts against one another.
End of Episode 1 setup.
