Makoto, the owner of Reikan: The Elegant Slave Mansion, enjoys kidnapping and strictly training three or more women who take pleasure in being confined to the same environment. This time, his targets are three female teachers from Tachibana Academy, who are forced to face the harsh rules of Reikan. As their bonds and trust in each other begin to crumble under the oppressive conditions, the story unfolds to show how they cope with their brutal new reality.