Yurie lives in company housing and worries about her shy, gentle son Ayumu, who is being bullied at school. One day, she hears from a classmate Ayumu brought home that he has been shoplifting, and determined to protect her son, Yurie resolves to do anything necessary. As a result, she becomes a sexual servant for her son's classmates, gang-raped repeatedly and filled with cum as if she were just a toy. The humiliation escalates when she is forced into creampie sex with her own son.