Shinda Kimura o Joen

A letter of intimidation arrives for the graduates of Kei-ei University's Drama Research Society: "If you want to know the truth of eight years ago—who killed Kimura—come to the Hinazuki Hot Spring Inn 'Gokuraku' on January 9, 2024, at 2 PM." The four gathered are Nita, Sakimoto, Hatori, and Inami. On the night Kimura died, the four who were in their fourth year of the drama club each had a secret they were keeping—.