USBA-087 Special agent bondage masochist training: betrayal, capture, brainwashing, beautiful agent Miike Koharu becomes a slave

Female agent Miike Koharu, once called the strongest, lets her guard down for the first time in a romance with a young man, but the criminal group Black Dog kidnaps her lover to trap her. She storms in alone, is captured, and subjected to extreme brainwashing, but escapes through a gap and faces a brutal bondage training that erodes her reason.