Jinbei has traveled all the way to Edo to join the Insect Magistrate's Office. That is if he can find it before being killed by a Yarougumo.

Osono the journalist plans to write an expose about the Insect Magistrates and knows she will get her big scoop at the women's bath.

The well gives the Magistrate back her power and she transforms into Shiroageha, but her memories are lost. She attacks Jinbei, and the power of the well makes Sanada much stronger. Jinbei, who swore to fight until he dies, is faced with his last enemy. The final battle begins!