A colleague who undercovers a prison where the mastermind enters to uncover the plot of an organization becomes ill. In order to save his companions and uncover the darkness, Sho disguises himself as a male prison officer and infiltrates a women's forbidden prison. I could have hidden myself as a woman in a situation where I didn't know who was a prisoner, a prison officer, a colleague, or an insider ... A spectacular Ryo ● begins in a cage where no one comes to help.