A high school student taught by Hideki Satomi. Her death by stabbing serves as a catalyst, proving the newspaper's predictions are real and prompting Hideki and Ayaka to actively investigate the curse.
Hideki is Sayuri's teacher, and her predicted death motivates his investigation.
Sayuri Wakakubo is explicitly described as Hideki Satomi's student. Her death becomes the event that confirms the newspaper predictions for Hideki.
Their deaths are linked through the newspaper's chain of predicted tragedies.
Satoko is found dead amid records of predicted accidents, while Sayuri becomes one of the deaths foretold by the same phenomenon.
Explore the full interactive character relationship map of Premonition