"There is a Shinigami among these five high school students." A voting game that takes place after overcoming the Shinigami's brutality. Unless you win this death game, you will not be able to escape from \Shinigami's Mansion\. A pinch of desperation that attacks the main character who has lost his memory. Prove your innocence with logic and evidence! ◆Explore the mansion and find clues! Investigate the crime scene and the hall thoroughly, collect evidence and testimonies of the participants. Even the smallest details can be the key to a successful event! ◆ Reveal the culprit in a heated discussion! The person with the most votes in the voting game will be left behind at \Shinigami no Yakata\. Discuss the collected evidence and uncover the truth!