To earn money for her son Koji's education, Shio works tirelessly. One day, upon returning home, she finds Koji being assaulted by strangers... She hurriedly intervenes and listens to their conversation, only to learn that her son has been bullied at school. Unable to hide her shock, Shio watches as his classmates raise their hands against him. Trying to stop them, but these despicable individuals not only beat Koji but also start molesting Shio's voluptuous body right in front of him...
