Due to her husband's job, Masumi moved to new land two weeks ago. Busy with moving tasks, she couldn't properly take care of her only son, Yohei. Around that time, Yohei was being bullied by some classmates at his new school. Unaware of this fact, Masumi's retribution suddenly arrived one day... One day, Yohei's classmates came to the house. Suddenly, they showed her a shocking video, leaving Masumi in shock. Furthermore, their demands escalated...
