Specials
(2021)
Cast
Episodes
Signal ~ Chouki Mikaiketsu Jiken Sousahan Special 0.0
March 30, 2021
The story begins shortly after the finale episode of the 2018 drama, and then moves to 2020, two years later.
(2021)
March 30, 2021
The story begins shortly after the finale episode of the 2018 drama, and then moves to 2020, two years later.