One day my brother committed suicide. The main character, Asato, logs into his younger brother's PC to find out the truth behind his suicide. Written on a certain bulletin board is a record of the gruesome bullying his younger brother received. Asahi vows to find the bully and take revenge. At that time, I received a phone call from a person claiming to be the manager of the bulletin board. It was an invitation to the "revenge sharing society" where you can help others get revenge and help you get your own revenge. The opening of the fateful community suspense where seven revenges are carried out by seven people!!