Before the DayTV Show

After learning that Hayato and Rin are in mortal danger in 2019, Kotaro discovers how to time-slip once again and returns to the past, rescuing them from a villa engulfed in flames. During the incident, he witnesses Shiori fleeing the scene, further deepening the mystery surrounding her. Meanwhile, Detective Ito regains consciousness after being attacked while investigating Shiori and becomes convinced that she is the culprit behind the serial murders. As a police manhunt begins, Kotaro uncovers a crucial clue hidden within Ito’s investigation notes, bringing him closer than ever to the truth behind the Teacher Serial Murder Case.