Miku was sent to prison after causing an accident while driving with her husband. Her sentence was short, three years, but she wanted to be released as soon as possible because her husband was in a coma and never woke up due to her accident. Miku is offered a special prison job that will shorten her prison term, and she accepts it without thinking deeply. What was waiting for MIKU was the sexual desire treatment of the ass prepared for criminals. She gradually falls into her pleasure that she has never felt in her intense anal torture that continues day after day.
