Segawa contacted me that he had found the whereabouts of Ai, who had been missing. When she entered the place she was told, Ai was loose on the sofa. She rushes up and the door opens from behind her. A voice was uttered, and beyond that, a row of training tools were lined up. Yuzuki has a surprised expression on her face. A man wearing a mask, the criminal of a series of assaults ... However, he denies that it is not a crime. And he knows why he's not the culprit ... Will Ai, Yuzuki, and Reisa fall into the hands of the Maid Masters, as many maids did ...