Dissatisfied with the close relationship between Yoshida and Ayako, Nakajo took Yoshida to the beach and planned his accidental death. However, Nakajo himself was later run over and killed by a car in Hibiya Park. Earl Hosoyama was involved in the investigation due to his past relationship with Nakajo. Prosecutor Otani suspected that this was a premeditated murder based on various signs. Chujo's diary reveals his initial murderous thoughts and the unexpected cause of Yoshida's death...
