Mayumi and the other students are suspected of cheating and put in the torture room, where a device is waiting on them. However, this is all a ruse to make Kekko Kamen appear!
Ryuzo and his 7 former henchmen are all retired yakuza, but they now live as regular old men. One day, Ryuzo becomes the victim of a phishing fraud. He calls his 7 men together to reform their society.