An unwilling magnet for the supernatural and a ghost-hunting little girl join forces to capture Japan's most terrifying and dangerous spirits.

After a dangerous encounter with a malevolent spirit Keitaro Gentoga wants nothing to do with the supernatural. Unfortunately for this reluctant ghost magnet he's stuck helping Yayoi Hozukia strange young girl who's intent on capturing Japan's most terrifying ghosts and ghouls.

The final stage of Operation Bellflower Regicide begins when Yayoi finally unleashes the full might of her Graduates on Yin Jiao. The fates of Ai Keitaro Eiko and Yayoi all hang in the balance as seven of the deadliest ghosts Japan has ever seen square off against one truly monstrous god.