Student Tadashi Inukai is bullied because of his bad luck in his love life. His best friend Tanuki helps him perform a strange ritual. The next day, the mysterious Izzy enters his life.

After Hachi stumbles upon the site of Izzy's first murder, he and Tanuki enlist the help of a mysterious graduate student, Arisa, to perform a ritual that will banish Izzy from her kingdom.

Izzy is injured during a fight with her former enemy Tenkai, and Hachi must find a way to save her; Inspector Inukai's investigation deepens and gets closer to his son's involvement in Izzy's murders.

Izzy's hunt for her next target takes her to Hachi University; Inspector Inukai and Deputy Suzuki's investigation leads them to a group of business leaders involved in black magic.

Hachi and Izzy search for a way to continue her mission without killing; Detective Inukai and Sergeant Suzuki discover the corpse of a missing student.

Enraged, Izzy attacks her next target as Hachi rushes to the scene, desperate to stop her killing again; Hachi's friends try to find the key to banishing Izzy.