Rina Matsuno

Set several days after "Joker Game". 7 girls, who lost in a game, are gathered at a correctional institution. The girls must now participate in "Escape Game of Death". The 7 girls, who are locked in a room, have to find hidden clues and must cooperate with one another to escape. Because of a trap, the first victim comes out…

There was once a high-tech robot which saved the earth from aliens. People have long forgotten how to operate this giant machine and it has been placed in an isolated ghost town. Professor Tachibana believes in the mobility of this machine and won't give up in finding a suitable pilot for the robot. However, one day, he finds out that the robot became the gathering space for eight middle school girls!