Minako lives with her son, Hitoshi. He used to be an easy child, but after getting injured during club activities and being unable to play basketball anymore, he started bringing home bad-mannered classmates. Hoping for her son to return to his former self, Minako asks the classmates, 'Please don't associate with my son anymore.' However, these words ignite their anger. Minako is brutally gang-raped. The nightmare doesn't end there...
