Nozomi, a single mother, has been raising her only son while cleaning buildings. The two of them find a little happiness in their poverty and live together, laughing together. However, an incident caused by her son changes Nozomi's fate. Nozomi is brutally raped by a delinquent parent and child in front of her son. Her son watches as she jerks off. She has to clean up her son's dick cheese with the back of her throat! Nozomi is forced to masturbate with her beloved son! She is restrained and tortured for pleasure, and even forced to have incest with her son!