Reira ended up in prison after her husband's mistress pulled a knife during an argument, and Reira got hurt while trying to defend herself. To shorten her sentence by even one day, Reira lived as a model prisoner. However, she was ordered to perform special service activities... using her anus to help violent criminals release sexual tension. Believing that she could return to her normal life if she endured for half a year, Reira continued to receive anal training from the guards and other inmates...
