Tento once again finds himself in a tight spot when he’s accused of trying to murder the school’s Madonna, Reiko Shiratori, and locking her unconscious body in a shed. Can Abaku ronpa his friend to freedom? Meanwhile, the Red Ogre sends out a warning to Abaku, Sarutobi and Yui: discover his identity before graduation or he will murder all of their classmates again! Can Abaku solve this final mystery in time?