During an argument with her husband's mistress, Reira became enraged and pulled out a knife, but in an attempt to defend herself, she wounded the mistress, which resulted in her being sent to prison. In an attempt to shorten her sentence by even one day, Reira, who is living as a model prisoner, is ordered to perform special community service activities. The content of the service is... to satisfy the sexual desires of violent criminals using her anus in order to relieve their stress. Believing that if she endures for six months, she will be able to return to her normal life, she continues to receive anal training from the prison guards and prisoners, but...